Dill, H. G. (2008). Geogene and anthropogenic controls on the mineralogy and geochemistry of modern alluvial–(fluvial) gold placer deposits in man-made landscapes in France, Switzerland and Germany. Journal of Geochemical Exploration, 99(1-3), 29-60.

ⓘ Almandine

Formula: Fe²⁺₃Al₂(SiO₄)₃

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Anatase

Formula: TiO₂

Localities:

Medel Valley - Cristallina Valley water tunnel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Andradite

Formula: Ca₃Fe³⁺₂(SiO₄)₃

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Anglesite

Formula: PbSO₄

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Anhydrite

Formula: CaSO₄

Locality: Val dalla Siara Dadens, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.41

ⓘ Ankerite

Formula: Ca(Fe²⁺,Mg)(CO₃)₂

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.141

ⓘ 'Apatite'

Formula: Ca₅(PO₄)₃A

Localities:

Piz Vallatscha, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Miez, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Stgegia Alp, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Alp Cristallina, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Aragonite

Formula: CaCO₃

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.48

ⓘ Arsenopyrite

Formula: FeAsS

Localities:

ⓘ Axinite-(Fe)

Formula: Ca₂Fe²⁺Al₂BSi₄O₁₅OH

Localities:

Val dalla Siara Dadens, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Stgegia Alp, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Fuorcla dallas Crunas (Las Crunas), Fuorns, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Vallatscha, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ 'Axinite Group'

Locality: Scopi (Scópi), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Lavinsky, Rob (n.d.) Specimens previously handled by The Arkenstone.

ⓘ Azurite

Formula: Cu₃(CO₃)₂(OH)₂

Locality: Piz Vallatscha, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

Description: Small deep blue crusts in between larger malachite crusts.

References:

Amir Akhavan Collection

ⓘ Baryte

Formula: BaSO₄

Localities:

Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Bavenite

Formula: Ca₄Be₂Al₂Si₉O₂₆(OH)₂

Locality: Ils Umens, Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.68

ⓘ Beudantite

Formula: PbFe³⁺₃(AsO₄)(SO₄)(OH)₆

Locality: Cima della Bianca north slope, Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.77

ⓘ 'Biotite'

Formula: K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Boulangerite

Formula: Pb₅Sb₄S₁₁

Locality: Ruinas, Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.82

ⓘ Brookite

Formula: TiO₂

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Jahn, Steffen; Schüpbach, Thomas (2010) Die Lukmanierschlucht bei Disentis in Graubünden - ein Fundort von Weltrang (II) [The Lukmanier Gorge near Disentis in Graubünden - a world-class mineral site (II)]. Mineralien Welt, 21 (1). p.42-63.

ⓘ Calcite

Formula: CaCO₃

Localities:

Piz Garviel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel Valley - Cristallina Valley water tunnel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Cannizzarite

Formula: Pb₄₈Bi₅₆S₁₃₂

Localities:

Sta. Maria, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel Valley - Cristallina Valley water tunnel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Cerussite

Formula: PbCO₃

Localities:

Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ 'Chabazite'

Locality: Stgegia Alp, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

Colour: Yellow-brown.

Description: Crystals to 1 cm. Much of this material was collected around 1965, during the construction of the power station.

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.104

ⓘ Chalcopyrite

Formula: CuFeS₂

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

Description: Heavily tarnished crystals to 5 cm.

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.108

ⓘ 'Chlorite Group'

Localities: Reported from at least 9 localities in this region.

ⓘ Chloritoid

Formula: Fe²⁺Al₂O(SiO₄)(OH)₂

Locality: Soliva brook bridge, Curaglia, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.112

ⓘ Clinozoisite

Formula: (CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)

Localities:

Piz Miez, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Stgegia Alp, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Danburite

Formula: CaB₂Si₂O₈

Localities:

Piz Miez, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Stgegia Alp, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Vallatscha, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Scopi (Scópi), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Datolite

Formula: CaB(SiO₄)(OH)

Localities:

Piz Garviel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Vallatscha, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Scopi (Scópi), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Digenite

Formula: Cu₉S₅

Locality: Curaglia, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.109

ⓘ Dolomite

Formula: CaMg(CO₃)₂

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.355

ⓘ Dravite

Formula: NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Epidote

Formula: (CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)

Localities:

Piz Starlera, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Vallatscha, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Fibroferrite ?

Formula: Fe³⁺(SO₄)(OH) · 5H₂O

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.165

ⓘ Fluorapatite

Formula: Ca₅(PO₄)₃F

Localities:

Las Tuors, Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Ils Umens, Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Fluorite

Formula: CaF₂

Locality: Stgegia Alp, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

Colour: Pink

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.168

ⓘ 'Gadolinite'

Locality: Piz Rondadura, Val Rondadura, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Gramacioli (1977)

ⓘ Galena

Formula: PbS

Localities:

Drual, Platta, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel Valley - Cristallina Valley water tunnel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Galena var. Bismuth-bearing Galena

Formula: (Pb,Bi,Ag)S

Locality: Medel Valley - Cristallina Valley water tunnel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.177

ⓘ Goethite

Formula: Fe³⁺O(OH)

Localities:

Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Hematite

Formula: Fe₂O₃

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Hematite var. Specularite

Formula: Fe₂O₃

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Hydrozincite

Formula: Zn₅(CO₃)₂(OH)₆

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Ilmenite

Formula: Fe²⁺TiO₃

Localities:

Piz Miez, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Jamesonite

Formula: Pb₄FeSb₆S₁₄

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.227

ⓘ 'K Feldspar'

Localities: Reported from at least 13 localities in this region.

ⓘ 'K Feldspar var. Adularia'

Formula: KAlSi₃O₈

Localities: Reported from at least 12 localities in this region.

ⓘ 'Leucoxene'

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Magnesite

Formula: MgCO₃

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.355

ⓘ Magnetite

Formula: Fe²⁺Fe³⁺₂O₄

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Malachite

Formula: Cu₂(CO₃)(OH)₂

Localities:

Piz Rondadura, Val Rondadura, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Vallatscha, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

Description: Large, but thin crusts on the walls of small fissures in a porous quartzite containing small amounts of copper minerals, probably chalcopyrite. Northern walls of a ridge called "Scala de Marmel", north-east of the peak of Piz Rondadura.

ⓘ Mansfieldite

Formula: AlAsO₄ · 2H₂O

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Marcasite

Formula: FeS₂

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ 'Mica Group'

Locality: Piz Miez, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Bracke, Christian (n.d.) Personal communication.

ⓘ Milarite

Formula: K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]

Localities:

Alp Cristallina, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz a Spescha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Monazite-(Ce)

Formula: Ce(PO₄)

Locality: Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.281

ⓘ 'Monazite Group'

Formula: REE(PO₄)

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Muscovite

Formula: KAl₂(AlSi₃O₁₀)(OH)₂

Localities:

Medel Valley - Cristallina Valley water tunnel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Muscovite var. Illite

Formula: K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Native Gold

Formula: Au

Localities:

Ruinas, Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Opal

Formula: SiO₂ · nH₂O

Locality: Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.291

ⓘ Opal var. Opal-AN

Formula: SiO₂ · nH₂O

Locality: Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.291

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi₂]O₈

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Plumbojarosite

Formula: Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Pyrite

Formula: FeS₂

Localities:

Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel Valley - Cristallina Valley water tunnel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Pyromorphite

Formula: Pb₅(PO₄)₃Cl

Locality: Cima della Bianca north slope, Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

EDS analysis (EDXPR_2300) Philippe Roth, October 2017

ⓘ Pyrrhotite

Formula: Fe_1-xS

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.387

ⓘ Quartz

Formula: SiO₂

Localities: Reported from at least 13 localities in this region.

ⓘ Quartz var. Rock Crystal

Formula: SiO₂

Locality: Drual, Platta, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.177

ⓘ Quartz var. Smoky Quartz

Formula: SiO₂

Localities:

Piz Garviel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Cima della Bianca north slope, Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Alp Cristallina, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Vallatscha, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Römerite ?

Formula: Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.351

ⓘ Rutile

Formula: TiO₂

Localities:

Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Muraun, Curaglia, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Miez, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

Habit: Acicular to slender prismatic crystals, up to 4 mm across and 3 cm long, with well developed pyramidal terminations.

ⓘ Scheelite

Formula: Ca(WO₄)

Localities:

Medel Valley - Cristallina Valley water tunnel, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Las Tuors, Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Schorl

Formula: NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)

Localities:

Stgegia Alp, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Scorodite

Formula: Fe³⁺AsO₄ · 2H₂O

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Siderite

Formula: FeCO₃

Localities:

Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ Smithsonite

Formula: ZnCO₃

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.378

ⓘ Sphalerite

Formula: ZnS

Locality: Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.192

ⓘ Stibnite

Formula: Sb₂S₃

Locality: Ruinas, Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.pp.387-388

ⓘ 'Stilbite Subgroup'

Formula: M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O

Locality: Ils Umens, Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.68

ⓘ Stolzite

Formula: Pb(WO₄)

Locality: Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

ⓘ Synchysite-(Ce)

Formula: CaCe(CO₃)₂F

Locality: Cima della Bianca north slope, Val Casatscha, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Stalder, Hans Anton; Wagner, Albert; Graeser, Stefan; Stuker, Peter (1998) Mineralienlexikon der Schweiz. Wepf Verlag. 579pp.p.394

ⓘ Titanite

Formula: CaTiO(SiO₄)

Localities:

Stgegia Alp, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Miez, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Piz Vallatscha, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

ⓘ 'Tourmaline'

Formula: AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z

Localities:

Val Stgira, Val Cristallina, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Medel gorge (Lukmanier gorge), Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

Habit: Asbestos-like masses.

ⓘ 'UM1969-11-S:BiPb'

Formula: Pb₈Bi₆S₁₇

Locality: Sta. Maria, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

References:

Nowacki, W., Stalder, H.A. (1969): Zwei Wismutsulfosalze von Sta. Maria, Val Medel, Kt. Graubünden. Schweiz. Mineral. Petrogr. Mitt.: 49: 97-10l

Fleischer, M. (1970) New mineral names. American Mineralogist, 55 (3-4). 533-535

ⓘ Zircon

Formula: Zr(SiO₄)

Localities:

Stgegia Alp, Val Medel, Medel (Lucmagn), Surselva Region, Grisons, Switzerland
Unnamed placers, Medel (Lucmagn), Surselva Region, Grisons, Switzerland

Gallery:

Ca₂Fe²⁺Al₂BSi₄O₁₅OHⓘ Axinite-(Fe)

Axinite-(Fe), etc.

Piz Vallatscha, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Axinite-(Fe), etc.

Piz Vallatscha, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Axinite-(Fe), etc.

Stgegia Alp, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Axinite-(Fe), etc.

Val Medel, Medel, Surselva Region, Grisons, Switzerland

Axinite-(Fe), etc.

Piz Vallatscha, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Axinite-(Fe), etc.

Piz Vallatscha, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Axinite-(Fe), etc.

Stgegia Alp, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Axinite-(Fe), etc.

Val Medel, Medel, Surselva Region, Grisons, Switzerland

Axinite-(Fe), etc.

Piz Vallatscha, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Axinite-(Fe), etc.

Piz Vallatscha, Val Medel, Medel, Surselva Region, Grisons, Switzerland

CaB(SiO₄)(OH)ⓘ Datolite

Datolite

Scopi, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Datolite

Scopi, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Datolite

Scopi, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Ca₅(PO₄)₃Fⓘ Fluorapatite

Fluorapatite

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Fluorapatite

Las Tuors, Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Fluorapatite, etc.

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Fluorapatite

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Fluorapatite

Las Tuors, Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Fluorapatite, etc.

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Fluorapatite

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Fluorapatite

Las Tuors, Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

ⓘ 'Gadolinite'

Gadolinite

Piz Rondadura, Val Rondadura, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Gadolinite

Piz Rondadura, Val Rondadura, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Gadolinite

Piz Rondadura, Val Rondadura, Val Medel, Medel, Surselva Region, Grisons, Switzerland

SiO₂ⓘ Quartz var. Smoky Quartz

Smoky Quartz

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Smoky Quartz

Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Smoky Quartz

Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Smoky Quartz

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Smoky Quartz

Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Smoky Quartz

Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Smoky Quartz

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Smoky Quartz

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Ca(WO₄)ⓘ Scheelite

Scheelite, etc.

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Scheelite, etc.

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Scheelite, etc.

Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

CaCe(CO₃)₂Fⓘ Synchysite-(Ce)

Synchysite-(Ce)

Cima della Bianca north slope, Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Synchysite-(Ce)

Cima della Bianca north slope, Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

Synchysite-(Ce)

Cima della Bianca north slope, Val Casatscha, Val Cristallina, Val Medel, Medel, Surselva Region, Grisons, Switzerland

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold	1.AA.05	Au
Group 2 - Sulphides and Sulfosalts
ⓘ	Digenite	2.BA.10	Cu₉S₅
ⓘ	Sphalerite	2.CB.05a	ZnS
ⓘ	Chalcopyrite	2.CB.10a	CuFeS₂
ⓘ	Pyrrhotite	2.CC.10	Fe_1-xS
ⓘ	Galena	2.CD.10	PbS
ⓘ	var. Bismuth-bearing Galena	2.CD.10	(Pb,Bi,Ag)S
ⓘ	Stibnite	2.DB.05	Sb₂S₃
ⓘ	Pyrite	2.EB.05a	FeS₂
ⓘ	Marcasite	2.EB.10a	FeS₂
ⓘ	Arsenopyrite	2.EB.20	FeAsS
ⓘ	Jamesonite	2.HB.15	Pb₄FeSb₆S₁₄
ⓘ	Boulangerite	2.HC.15	Pb₅Sb₄S₁₁
ⓘ	Cannizzarite	2.JB.20	Pb₄₈Bi₅₆S₁₃₂
Group 3 - Halides
ⓘ	Fluorite	3.AB.25	CaF₂
Group 4 - Oxides and Hydroxides
ⓘ	Magnetite	4.BB.05	Fe²⁺Fe³⁺₂O₄
ⓘ	Hematite	4.CB.05	Fe₂O₃
ⓘ	Ilmenite	4.CB.05	Fe²⁺TiO₃
ⓘ	Hematite var. Specularite	4.CB.05	Fe₂O₃
ⓘ	Quartz	4.DA.05	SiO₂
ⓘ	var. Smoky Quartz	4.DA.05	SiO₂
ⓘ	var. Rock Crystal	4.DA.05	SiO₂
ⓘ	Opal var. Opal-AN	4.DA.10	SiO₂ · nH₂O
ⓘ		4.DA.10	SiO₂ · nH₂O
ⓘ	Rutile	4.DB.05	TiO₂
ⓘ	Anatase	4.DD.05	TiO₂
ⓘ	Brookite	4.DD.10	TiO₂
ⓘ	Goethite	4.FD.10	Fe³⁺O(OH)
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
ⓘ	Magnesite	5.AB.05	MgCO₃
ⓘ	Siderite	5.AB.05	FeCO₃
ⓘ	Smithsonite	5.AB.05	ZnCO₃
ⓘ	Ankerite	5.AB.10	Ca(Fe²⁺,Mg)(CO₃)₂
ⓘ	Dolomite	5.AB.10	CaMg(CO₃)₂
ⓘ	Aragonite	5.AB.15	CaCO₃
ⓘ	Cerussite	5.AB.15	PbCO₃
ⓘ	Azurite	5.BA.05	Cu₃(CO₃)₂(OH)₂
ⓘ	Malachite	5.BA.10	Cu₂(CO₃)(OH)₂
ⓘ	Hydrozincite	5.BA.15	Zn₅(CO₃)₂(OH)₆
ⓘ	Synchysite-(Ce)	5.BD.20c	CaCe(CO₃)₂F
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Anhydrite	7.AD.30	CaSO₄
ⓘ	Anglesite	7.AD.35	PbSO₄
ⓘ	Baryte	7.AD.35	BaSO₄
ⓘ	Plumbojarosite	7.BC.10	Pb_0.5Fe³⁺₃(SO₄)₂(OH)₆
ⓘ	Römerite ?	7.CB.75	Fe²⁺Fe³⁺₂(SO₄)₄ · 14H₂O
ⓘ	Fibroferrite ?	7.DC.15	Fe³⁺(SO₄)(OH) · 5H₂O
ⓘ	Scheelite	7.GA.05	Ca(WO₄)
ⓘ	Stolzite	7.GA.05	Pb(WO₄)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Monazite-(Ce)	8.AD.50	Ce(PO₄)
ⓘ	Beudantite	8.BL.05	PbFe³⁺₃(AsO₄)(SO₄)(OH)₆
ⓘ	Fluorapatite	8.BN.05	Ca₅(PO₄)₃F
ⓘ	Pyromorphite	8.BN.05	Pb₅(PO₄)₃Cl
ⓘ	Mansfieldite	8.CD.10	AlAsO₄ · 2H₂O
ⓘ	Scorodite	8.CD.10	Fe³⁺AsO₄ · 2H₂O
Group 9 - Silicates
ⓘ	Andradite	9.AD.25	Ca₃Fe³⁺₂(SiO₄)₃
ⓘ	Almandine	9.AD.25	Fe²⁺₃Al₂(SiO₄)₃
ⓘ	Zircon	9.AD.30	Zr(SiO₄)
ⓘ	Chloritoid	9.AF.85	Fe²⁺Al₂O(SiO₄)(OH)₂
ⓘ	Titanite	9.AG.15	CaTiO(SiO₄)
ⓘ	Datolite	9.AJ.20	CaB(SiO₄)(OH)
ⓘ	Axinite-(Fe)	9.BD.20	Ca₂Fe²⁺Al₂BSi₄O₁₅OH
ⓘ	Clinozoisite	9.BG.05a	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
ⓘ	Epidote	9.BG.05a	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	Dravite	9.CK.05	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
ⓘ	Schorl	9.CK.05	NaFe²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
ⓘ	Milarite	9.CM.05	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
ⓘ	Bavenite	9.DF.25	Ca₄Be₂Al₂Si₉O₂₆(OH)₂
ⓘ	Muscovite var. Illite	9.EC.15	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
ⓘ		9.EC.15	KAl₂(AlSi₃O₁₀)(OH)₂
ⓘ	Albite	9.FA.35	Na(AlSi₃O₈)
ⓘ	var. Pericline	9.FA.35	Na(AlSi₃O₈)
ⓘ	Danburite	9.FA.65	CaB₂Si₂O₈
Unclassified
ⓘ	'K Feldspar var. Adularia'	-	KAlSi₃O₈
ⓘ	'Biotite'	-	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
ⓘ	'Chabazite'	-
ⓘ	'Chlorite Group'	-
ⓘ	'Monazite Group'	-	REE(PO₄)
ⓘ	'Stilbite Subgroup'	-	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
ⓘ	'Tourmaline'	-	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
ⓘ	'Leucoxene'	-
ⓘ	'Mica Group'	-
ⓘ	'Plagioclase'	-	(Na,Ca)[(Si,Al)AlSi₂]O₈
ⓘ	'K Feldspar'	-
ⓘ	'Gadolinite'	-
ⓘ	'Apatite'	-	Ca₅(PO₄)₃A
ⓘ	'Axinite Group'	-
ⓘ	'Allanite Group'	-	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
ⓘ	'UM1969-11-S:BiPb'	-	Pb₈Bi₆S₁₇

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
H	ⓘ Bavenite	Ca₄Be₂Al₂Si₉O₂₆(OH)₂
H	ⓘ Beudantite	PbFe₃³⁺(AsO₄)(SO₄)(OH)₆
H	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
H	ⓘ Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂
H	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
H	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
H	ⓘ Datolite	CaB(SiO₄)(OH)
H	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
H	ⓘ Axinite-(Fe)	Ca₂Fe²⁺Al₂BSi₄O₁₅OH
H	ⓘ Fibroferrite	Fe³⁺(SO₄)(OH) · 5H₂O
H	ⓘ Goethite	Fe³⁺O(OH)
H	ⓘ Opal var. Opal-AN	SiO₂ · nH₂O
H	ⓘ Hydrozincite	Zn₅(CO₃)₂(OH)₆
H	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
H	ⓘ Malachite	Cu₂(CO₃)(OH)₂
H	ⓘ Mansfieldite	AlAsO₄ · 2H₂O
H	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
H	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
H	ⓘ Opal	SiO₂ · nH₂O
H	ⓘ Plumbojarosite	Pb_0.5Fe₃³⁺(SO₄)₂(OH)₆
H	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
H	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
H	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
H	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
H	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
Be	Beryllium
Be	ⓘ Bavenite	Ca₄Be₂Al₂Si₉O₂₆(OH)₂
Be	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
B	Boron
B	ⓘ Danburite	CaB₂Si₂O₈
B	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
B	ⓘ Datolite	CaB(SiO₄)(OH)
B	ⓘ Axinite-(Fe)	Ca₂Fe²⁺Al₂BSi₄O₁₅OH
B	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
B	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
C	Carbon
C	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
C	ⓘ Aragonite	CaCO₃
C	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
C	ⓘ Calcite	CaCO₃
C	ⓘ Cerussite	PbCO₃
C	ⓘ Dolomite	CaMg(CO₃)₂
C	ⓘ Hydrozincite	Zn₅(CO₃)₂(OH)₆
C	ⓘ Magnesite	MgCO₃
C	ⓘ Malachite	Cu₂(CO₃)(OH)₂
C	ⓘ Siderite	FeCO₃
C	ⓘ Smithsonite	ZnCO₃
C	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
O	Oxygen
O	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
O	ⓘ Albite	Na(AlSi₃O₈)
O	ⓘ Anatase	TiO₂
O	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
O	ⓘ Anglesite	PbSO₄
O	ⓘ Anhydrite	CaSO₄
O	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
O	ⓘ Aragonite	CaCO₃
O	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
O	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
O	ⓘ Baryte	BaSO₄
O	ⓘ Bavenite	Ca₄Be₂Al₂Si₉O₂₆(OH)₂
O	ⓘ Beudantite	PbFe₃³⁺(AsO₄)(SO₄)(OH)₆
O	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
O	ⓘ Brookite	TiO₂
O	ⓘ Calcite	CaCO₃
O	ⓘ Cerussite	PbCO₃
O	ⓘ Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂
O	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
O	ⓘ Danburite	CaB₂Si₂O₈
O	ⓘ Dolomite	CaMg(CO₃)₂
O	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	ⓘ Datolite	CaB(SiO₄)(OH)
O	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
O	ⓘ Axinite-(Fe)	Ca₂Fe²⁺Al₂BSi₄O₁₅OH
O	ⓘ Fibroferrite	Fe³⁺(SO₄)(OH) · 5H₂O
O	ⓘ Fluorapatite	Ca₅(PO₄)₃F
O	ⓘ Goethite	Fe³⁺O(OH)
O	ⓘ Hematite	Fe₂O₃
O	ⓘ Opal var. Opal-AN	SiO₂ · nH₂O
O	ⓘ Hydrozincite	Zn₅(CO₃)₂(OH)₆
O	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
O	ⓘ Ilmenite	Fe²⁺TiO₃
O	ⓘ Magnesite	MgCO₃
O	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
O	ⓘ Malachite	Cu₂(CO₃)(OH)₂
O	ⓘ Mansfieldite	AlAsO₄ · 2H₂O
O	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
O	ⓘ Monazite Group	REE(PO₄)
O	ⓘ Monazite-(Ce)	Ce(PO₄)
O	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
O	ⓘ Opal	SiO₂ · nH₂O
O	ⓘ Plumbojarosite	Pb_0.5Fe₃³⁺(SO₄)₂(OH)₆
O	ⓘ Pyromorphite	Pb₅(PO₄)₃Cl
O	ⓘ Quartz	SiO₂
O	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
O	ⓘ Rutile	TiO₂
O	ⓘ Scheelite	Ca(WO₄)
O	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
O	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
O	ⓘ Siderite	FeCO₃
O	ⓘ Smithsonite	ZnCO₃
O	ⓘ Quartz var. Smoky Quartz	SiO₂
O	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
O	ⓘ Stolzite	Pb(WO₄)
O	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
O	ⓘ Titanite	CaTiO(SiO₄)
O	ⓘ Tourmaline	AD₃G₆(T₆O₁₈)(BO₃)₃X₃Z
O	ⓘ Zircon	Zr(SiO₄)
O	ⓘ Albite var. Pericline	Na(AlSi₃O₈)
O	ⓘ Hematite var. Specularite	Fe₂O₃
O	ⓘ Quartz var. Rock Crystal	SiO₂
O	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
O	ⓘ Apatite	Ca₅(PO₄)₃A
O	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
F	Fluorine
F	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
F	ⓘ Fluorapatite	Ca₅(PO₄)₃F
F	ⓘ Fluorite	CaF₂
F	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
Na	Sodium
Na	ⓘ Albite	Na(AlSi₃O₈)
Na	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Na	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Na	ⓘ Albite var. Pericline	Na(AlSi₃O₈)
Na	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Mg	Magnesium
Mg	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Mg	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Mg	ⓘ Dolomite	CaMg(CO₃)₂
Mg	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Mg	ⓘ Magnesite	MgCO₃
Al	Aluminium
Al	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Al	ⓘ Albite	Na(AlSi₃O₈)
Al	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Al	ⓘ Bavenite	Ca₄Be₂Al₂Si₉O₂₆(OH)₂
Al	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Al	ⓘ Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂
Al	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Al	ⓘ Axinite-(Fe)	Ca₂Fe²⁺Al₂BSi₄O₁₅OH
Al	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Al	ⓘ Mansfieldite	AlAsO₄ · 2H₂O
Al	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
Al	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Al	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Al	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Al	ⓘ Albite var. Pericline	Na(AlSi₃O₈)
Al	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	Silicon
Si	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
Si	ⓘ Albite	Na(AlSi₃O₈)
Si	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Si	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Si	ⓘ Bavenite	Ca₄Be₂Al₂Si₉O₂₆(OH)₂
Si	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Si	ⓘ Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂
Si	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Danburite	CaB₂Si₂O₈
Si	ⓘ Dravite	NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Si	ⓘ Datolite	CaB(SiO₄)(OH)
Si	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Si	ⓘ Axinite-(Fe)	Ca₂Fe²⁺Al₂BSi₄O₁₅OH
Si	ⓘ Opal var. Opal-AN	SiO₂ · nH₂O
Si	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
Si	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
Si	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Si	ⓘ Opal	SiO₂ · nH₂O
Si	ⓘ Quartz	SiO₂
Si	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Si	ⓘ Quartz var. Smoky Quartz	SiO₂
Si	ⓘ Stilbite Subgroup	M_6-7[Al_8-9Si_27-28O₇₂] · nH₂O
Si	ⓘ Titanite	CaTiO(SiO₄)
Si	ⓘ Zircon	Zr(SiO₄)
Si	ⓘ Albite var. Pericline	Na(AlSi₃O₈)
Si	ⓘ Quartz var. Rock Crystal	SiO₂
Si	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Si	ⓘ Allanite Group	(A1²⁺REE³⁺)(M1³⁺M2³⁺M3²⁺)O[Si₂O₇][SiO₄](OH)
P	Phosphorus
P	ⓘ Fluorapatite	Ca₅(PO₄)₃F
P	ⓘ Monazite Group	REE(PO₄)
P	ⓘ Monazite-(Ce)	Ce(PO₄)
P	ⓘ Pyromorphite	Pb₅(PO₄)₃Cl
P	ⓘ Apatite	Ca₅(PO₄)₃A
S	Sulfur
S	ⓘ Anglesite	PbSO₄
S	ⓘ Anhydrite	CaSO₄
S	ⓘ Arsenopyrite	FeAsS
S	ⓘ Baryte	BaSO₄
S	ⓘ Beudantite	PbFe₃³⁺(AsO₄)(SO₄)(OH)₆
S	ⓘ Boulangerite	Pb₅Sb₄S₁₁
S	ⓘ Cannizzarite	Pb₄₈Bi₅₆S₁₃₂
S	ⓘ Chalcopyrite	CuFeS₂
S	ⓘ Digenite	Cu₉S₅
S	ⓘ Fibroferrite	Fe³⁺(SO₄)(OH) · 5H₂O
S	ⓘ Galena	PbS
S	ⓘ Jamesonite	Pb₄FeSb₆S₁₄
S	ⓘ Marcasite	FeS₂
S	ⓘ Plumbojarosite	Pb_0.5Fe₃³⁺(SO₄)₂(OH)₆
S	ⓘ Pyrite	FeS₂
S	ⓘ Pyrrhotite	Fe_1-xS
S	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
S	ⓘ Sphalerite	ZnS
S	ⓘ Stibnite	Sb₂S₃
S	ⓘ Galena var. Bismuth-bearing Galena	(Pb,Bi,Ag)S
S	ⓘ UM1969-11-S:BiPb	Pb₈Bi₆S₁₇
Cl	Chlorine
Cl	ⓘ Pyromorphite	Pb₅(PO₄)₃Cl
K	Potassium
K	ⓘ K Feldspar var. Adularia	KAlSi₃O₈
K	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
K	ⓘ Muscovite var. Illite	K_0.65Al_2.0[Al_0.65Si_3.35O₁₀](OH)₂
K	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
K	ⓘ Muscovite	KAl₂(AlSi₃O₁₀)(OH)₂
Ca	Calcium
Ca	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Ca	ⓘ Anhydrite	CaSO₄
Ca	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Ca	ⓘ Aragonite	CaCO₃
Ca	ⓘ Bavenite	Ca₄Be₂Al₂Si₉O₂₆(OH)₂
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Clinozoisite	(CaCa)(AlAlAl)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Danburite	CaB₂Si₂O₈
Ca	ⓘ Dolomite	CaMg(CO₃)₂
Ca	ⓘ Datolite	CaB(SiO₄)(OH)
Ca	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Ca	ⓘ Axinite-(Fe)	Ca₂Fe²⁺Al₂BSi₄O₁₅OH
Ca	ⓘ Fluorapatite	Ca₅(PO₄)₃F
Ca	ⓘ Fluorite	CaF₂
Ca	ⓘ Milarite	K(◻H₂O)Ca₂(Be₂Al)[Si₁₂O₃₀]
Ca	ⓘ Scheelite	Ca(WO₄)
Ca	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
Ca	ⓘ Titanite	CaTiO(SiO₄)
Ca	ⓘ Plagioclase	(Na,Ca)[(Si,Al)AlSi₂]O₈
Ca	ⓘ Apatite	Ca₅(PO₄)₃A
Ti	Titanium
Ti	ⓘ Anatase	TiO₂
Ti	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Ti	ⓘ Brookite	TiO₂
Ti	ⓘ Ilmenite	Fe²⁺TiO₃
Ti	ⓘ Rutile	TiO₂
Ti	ⓘ Titanite	CaTiO(SiO₄)
Fe	Iron
Fe	ⓘ Andradite	Ca₃Fe₂³⁺(SiO₄)₃
Fe	ⓘ Ankerite	Ca(Fe²⁺,Mg)(CO₃)₂
Fe	ⓘ Arsenopyrite	FeAsS
Fe	ⓘ Almandine	Fe₃²⁺Al₂(SiO₄)₃
Fe	ⓘ Beudantite	PbFe₃³⁺(AsO₄)(SO₄)(OH)₆
Fe	ⓘ Biotite	K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂
Fe	ⓘ Chalcopyrite	CuFeS₂
Fe	ⓘ Chloritoid	Fe²⁺Al₂O(SiO₄)(OH)₂
Fe	ⓘ Epidote	(CaCa)(AlAlFe³⁺)O[Si₂O₇][SiO₄](OH)
Fe	ⓘ Axinite-(Fe)	Ca₂Fe²⁺Al₂BSi₄O₁₅OH
Fe	ⓘ Fibroferrite	Fe³⁺(SO₄)(OH) · 5H₂O
Fe	ⓘ Goethite	Fe³⁺O(OH)
Fe	ⓘ Hematite	Fe₂O₃
Fe	ⓘ Ilmenite	Fe²⁺TiO₃
Fe	ⓘ Jamesonite	Pb₄FeSb₆S₁₄
Fe	ⓘ Magnetite	Fe²⁺Fe₂³⁺O₄
Fe	ⓘ Marcasite	FeS₂
Fe	ⓘ Plumbojarosite	Pb_0.5Fe₃³⁺(SO₄)₂(OH)₆
Fe	ⓘ Pyrite	FeS₂
Fe	ⓘ Pyrrhotite	Fe_1-xS
Fe	ⓘ Römerite	Fe²⁺Fe₂³⁺(SO₄)₄ · 14H₂O
Fe	ⓘ Schorl	NaFe₃²⁺Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)
Fe	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
Fe	ⓘ Siderite	FeCO₃
Fe	ⓘ Hematite var. Specularite	Fe₂O₃
Cu	Copper
Cu	ⓘ Azurite	Cu₃(CO₃)₂(OH)₂
Cu	ⓘ Chalcopyrite	CuFeS₂
Cu	ⓘ Digenite	Cu₉S₅
Cu	ⓘ Malachite	Cu₂(CO₃)(OH)₂
Zn	Zinc
Zn	ⓘ Hydrozincite	Zn₅(CO₃)₂(OH)₆
Zn	ⓘ Smithsonite	ZnCO₃
Zn	ⓘ Sphalerite	ZnS
As	Arsenic
As	ⓘ Arsenopyrite	FeAsS
As	ⓘ Beudantite	PbFe₃³⁺(AsO₄)(SO₄)(OH)₆
As	ⓘ Mansfieldite	AlAsO₄ · 2H₂O
As	ⓘ Scorodite	Fe³⁺AsO₄ · 2H₂O
Zr	Zirconium
Zr	ⓘ Zircon	Zr(SiO₄)
Ag	Silver
Ag	ⓘ Galena var. Bismuth-bearing Galena	(Pb,Bi,Ag)S
Sb	Antimony
Sb	ⓘ Boulangerite	Pb₅Sb₄S₁₁
Sb	ⓘ Jamesonite	Pb₄FeSb₆S₁₄
Sb	ⓘ Stibnite	Sb₂S₃
Ba	Barium
Ba	ⓘ Baryte	BaSO₄
Ce	Cerium
Ce	ⓘ Monazite-(Ce)	Ce(PO₄)
Ce	ⓘ Synchysite-(Ce)	CaCe(CO₃)₂F
W	Tungsten
W	ⓘ Scheelite	Ca(WO₄)
W	ⓘ Stolzite	Pb(WO₄)
Au	Gold
Au	ⓘ Native Gold	Au
Pb	Lead
Pb	ⓘ Anglesite	PbSO₄
Pb	ⓘ Beudantite	PbFe₃³⁺(AsO₄)(SO₄)(OH)₆
Pb	ⓘ Boulangerite	Pb₅Sb₄S₁₁
Pb	ⓘ Cannizzarite	Pb₄₈Bi₅₆S₁₃₂
Pb	ⓘ Cerussite	PbCO₃
Pb	ⓘ Galena	PbS
Pb	ⓘ Jamesonite	Pb₄FeSb₆S₁₄
Pb	ⓘ Plumbojarosite	Pb_0.5Fe₃³⁺(SO₄)₂(OH)₆
Pb	ⓘ Pyromorphite	Pb₅(PO₄)₃Cl
Pb	ⓘ Stolzite	Pb(WO₄)
Pb	ⓘ Galena var. Bismuth-bearing Galena	(Pb,Bi,Ag)S
Pb	ⓘ UM1969-11-S:BiPb	Pb₈Bi₆S₁₇
Bi	Bismuth
Bi	ⓘ Cannizzarite	Pb₄₈Bi₅₆S₁₃₂
Bi	ⓘ Galena var. Bismuth-bearing Galena	(Pb,Bi,Ag)S
Bi	ⓘ UM1969-11-S:BiPb	Pb₈Bi₆S₁₇

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Medel_(Lucmagn)
Wikidata ID:	Q64925
GeoNames ID:	7286467

Localities in this Region

Switzerland

Grisons
- Surselva Region
  - Medel (Lucmagn)
    - Unnamed placers
    - Val Medel

Switzerland

Grisons
- Surselva Region
  - Medel (Lucmagn)
    - Val Medel

Other Regions, Features and Areas that Intersect

Eurasian PlateTectonic Plate

AlpsAccretionary Complex

EuropeContinent

The AlpsMountain Range

Switzerland

Grisons
- Surselva Region
  - Medel (Lucmagn)
    - Val MedelValley

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

Quick NavTop Mineral List Rock Types Fossils Other Databases Localities in Region Other Regions

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 20, 2026 08:59:31 Page updated: October 7, 2026 21:49:34

Go to top of page

Medel (Lucmagn), Surselva Region, Grisons, Switzerland i
Regional Level Types
Medel (Lucmagn) Municipality
Surselva Region Region
Grisons Canton
Switzerland Country

Help document this locality

Help document this locality

Select Mineral List Type

Mineral List

Rock Types Recorded

Select Rock List Type

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

Other Databases

Localities in this Region

Other Regions, Features and Areas that Intersect

Medel (Lucmagn), Surselva Region, Grisons, SwitzerlandiRegional Level TypesMedel (Lucmagn)Municipality Surselva RegionRegion GrisonsCanton SwitzerlandCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

Help document this locality

Help document this locality

Select Mineral List Type

Mineral List

Rock Types Recorded

Select Rock List Type

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Fossils

Other Databases

Localities in this Region

Other Regions, Features and Areas that Intersect

Medel (Lucmagn), Surselva Region, Grisons, Switzerland i
Regional Level Types
Medel (Lucmagn) Municipality
Surselva Region Region
Grisons Canton
Switzerland Country