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Selva Quarry, Selva, Poschiavo, Bernina Region, Grisons, Switzerlandi
Regional Level Types
Selva QuarryQuarry
SelvaHamlet
PoschiavoMunicipality
Bernina RegionRegion
GrisonsCanton
SwitzerlandCountry

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Latitude & Longitude (WGS84):
46° 18' 6'' North , 10° 2' 4'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Poschiavo3,428 (2017)3.1km
Brusio1,152 (2017)8.3km
Lanzada1,365 (2014)13.2km
Villa2,194 (2014)13.3km
Baruffini204 (2014)13.8km
Mindat Locality ID:
359484
Long-form identifier:
mindat:1:2:359484:4
GUID (UUID V4):
0
Other/historical names associated with this locality:
Urgnasco asbestos mines
Other Languages:
German:
Selva Steinbruch (Asbestgruben Urgnasco) , Puschlav, Region Bernina, Graubünden, Schweiz
Italian:
Cava di Selva (Miniere di amainto di Urgnasco), Selva, Poschiavo, Regione Bernina, Grigioni, Svizzera
Lombard:
Cava da Selva (Cavi da l'amiant d'Urgnasch), Selva, Pusc'ciâf (Pus'ciav), Regiun Bernina, Canton Grisun, Svizera


Serpentinite quarry at ca. 1550 m a.s.l., above the hamlets of Clef and Urgnasch (Urgnasco), opened by A. Jochum in 1932 near the abandoned asbestos mines (indicated as Urgnasco asbestos mines on old Swiss maps).

In his study on the metallic minerals included in serpentinite from the Selva-Quadrada area, De Quervain (1963) used 24 polished sections from the quarry.

Yellow-green andradite crystals up to 6-7 mm, embedded in fibrous asbestos and associated with magnetite and veinlets of carbonates, were found during quarrying at the end of the 1960s.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


26 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Andradite
Formula: Ca3Fe3+2(SiO4)3
ⓘ Andradite var. Demantoid
Formula: Ca3Fe3+2(SiO4)3
ⓘ Antigorite
Formula: Mg3(Si2O5)(OH)4
References:
ⓘ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
ⓘ 'Asbestos'
ⓘ Awaruite
Formula: Ni3Fe
References:
ⓘ Bornite
Formula: Cu5FeS4
ⓘ Breithauptite
Formula: NiSb
ⓘ Brucite
Formula: Mg(OH)2
ⓘ Chalcocite
Formula: Cu2S
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Chrysotile
Formula: Mg3(Si2O5)(OH)4
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
References:
ⓘ Clinohumite
Formula: Mg9(SiO4)4F2
References:
ⓘ Covellite
Formula: CuS
ⓘ 'Diallage'
ⓘ Diopside
Formula: CaMgSi2O6
References:
ⓘ Enstatite
Formula: Mg2Si2O6
ⓘ Forsterite
Formula: Mg2SiO4
Description: Simply reported as olivine in the old literature.
References:
ⓘ Heazlewoodite
Formula: Ni3S2
References:
ⓘ Hydromagnesite
Formula: Mg5(CO3)4(OH)2 · 4H2O
ⓘ Hydroxylclinohumite var. Titanclinohumite
Formula: (Mg,Ti)9(SiO4)4(OH,F)2
References:
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ 'Leucoxene'
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
References:
ⓘ Native Copper
Formula: Cu
ⓘ Orcelite
Formula: Ni5-xAs2, x ~ 0.25
ⓘ Pentlandite
Formula: (NixFey)Σ9S8
References:
ⓘ Perovskite
Formula: CaTiO3
References:
ⓘ 'Rhombohedral Carbonate'
Formula: (Ca/Mg/Fe/Mn etc)CO3
ⓘ Shandite
Formula: Ni3Pb2S2
ⓘ Taenite
Formula: (Fe,Ni)
ⓘ Wairauite
Formula: CoFe

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘNative Copper1.AA.05Cu
ⓘTaenite1.AE.10(Fe,Ni)
ⓘWairauite1.AE.15CoFe
ⓘAwaruite1.AE.20Ni3Fe
Group 2 - Sulphides and Sulfosalts
ⓘOrcelite2.AB.10Ni5-xAs2, x ~ 0.25
ⓘChalcocite2.BA.05Cu2S
ⓘBornite2.BA.15Cu5FeS4
ⓘHeazlewoodite2.BB.05Ni3S2
ⓘPentlandite2.BB.15(NixFey)Σ9S8
ⓘShandite2.BE.15Ni3Pb2S2
ⓘCovellite2.CA.05aCuS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘBreithauptite2.CC.05NiSb
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘPerovskite4.CC.30CaTiO3
ⓘBrucite4.FE.05Mg(OH)2
Group 5 - Nitrates and Carbonates
ⓘHydromagnesite5.DA.05Mg5(CO3)4(OH)2 · 4H2O
Group 9 - Silicates
ⓘChrysotile9.00.Mg3(Si2O5)(OH)4
ⓘForsterite9.AC.05Mg2SiO4
ⓘAndradite9.AD.25Ca3Fe3+2(SiO4)3
ⓘvar. Demantoid9.AD.25Ca3Fe3+2(SiO4)3
ⓘClinohumite9.AF.55Mg9(SiO4)4F2
ⓘHydroxylclinohumite
var. Titanclinohumite
9.AF.55(Mg,Ti)9(SiO4)4(OH,F)2
ⓘEnstatite9.DA.05Mg2Si2O6
ⓘDiopside9.DA.15CaMgSi2O6
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
ⓘAntigorite9.ED.15Mg3(Si2O5)(OH)4
Unclassified
ⓘ'Asbestos'-
ⓘ'Diallage'-
ⓘ'Leucoxene'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)
ⓘ'Rhombohedral Carbonate'-(Ca/Mg/Fe/Mn etc)CO3

List of minerals for each chemical element

HHydrogen
Hⓘ AntigoriteMg3(Si2O5)(OH)4
Hⓘ BruciteMg(OH)2
Hⓘ ChrysotileMg3(Si2O5)(OH)4
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Hⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Hⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cⓘ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Cⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
OOxygen
Oⓘ AndraditeCa3Fe23+(SiO4)3
Oⓘ AntigoriteMg3(Si2O5)(OH)4
Oⓘ BruciteMg(OH)2
Oⓘ ChrysotileMg3(Si2O5)(OH)4
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ ClinohumiteMg9(SiO4)4F2
Oⓘ Andradite var. DemantoidCa3Fe23+(SiO4)3
Oⓘ DiopsideCaMgSi2O6
Oⓘ EnstatiteMg2Si2O6
Oⓘ ForsteriteMg2SiO4
Oⓘ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Oⓘ IlmeniteFe2+TiO3
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ PerovskiteCaTiO3
Oⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Oⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Oⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
FFluorine
Fⓘ ClinohumiteMg9(SiO4)4F2
Fⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Fⓘ ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mgⓘ AntigoriteMg3(Si2O5)(OH)4
Mgⓘ BruciteMg(OH)2
Mgⓘ ChrysotileMg3(Si2O5)(OH)4
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ ClinohumiteMg9(SiO4)4F2
Mgⓘ DiopsideCaMgSi2O6
Mgⓘ EnstatiteMg2Si2O6
Mgⓘ ForsteriteMg2SiO4
Mgⓘ HydromagnesiteMg5(CO3)4(OH)2 · 4H2O
Mgⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
Mgⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
AlAluminium
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
SiSilicon
Siⓘ AndraditeCa3Fe23+(SiO4)3
Siⓘ AntigoriteMg3(Si2O5)(OH)4
Siⓘ ChrysotileMg3(Si2O5)(OH)4
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ ClinohumiteMg9(SiO4)4F2
Siⓘ Andradite var. DemantoidCa3Fe23+(SiO4)3
Siⓘ DiopsideCaMgSi2O6
Siⓘ EnstatiteMg2Si2O6
Siⓘ ForsteriteMg2SiO4
Siⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
PPhosphorus
Pⓘ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sⓘ BorniteCu5FeS4
Sⓘ ChalcopyriteCuFeS2
Sⓘ ChalcociteCu2S
Sⓘ CovelliteCuS
Sⓘ HeazlewooditeNi3S2
Sⓘ Pentlandite(NixFey)Σ9S8
Sⓘ ShanditeNi3Pb2S2
ClChlorine
Clⓘ ApatiteCa5(PO4)3(Cl/F/OH)
CaCalcium
Caⓘ AndraditeCa3Fe23+(SiO4)3
Caⓘ Andradite var. DemantoidCa3Fe23+(SiO4)3
Caⓘ DiopsideCaMgSi2O6
Caⓘ PerovskiteCaTiO3
Caⓘ ApatiteCa5(PO4)3(Cl/F/OH)
Caⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ PerovskiteCaTiO3
Tiⓘ Hydroxylclinohumite var. Titanclinohumite(Mg,Ti)9(SiO4)4(OH,F)2
MnManganese
Mnⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
FeIron
Feⓘ AndraditeCa3Fe23+(SiO4)3
Feⓘ AwaruiteNi3Fe
Feⓘ BorniteCu5FeS4
Feⓘ ChalcopyriteCuFeS2
Feⓘ Andradite var. DemantoidCa3Fe23+(SiO4)3
Feⓘ IlmeniteFe2+TiO3
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ Pentlandite(NixFey)Σ9S8
Feⓘ Taenite(Fe,Ni)
Feⓘ WairauiteCoFe
Feⓘ Rhombohedral Carbonate(Ca/Mg/Fe/Mn etc)CO3
CoCobalt
Coⓘ WairauiteCoFe
NiNickel
Niⓘ AwaruiteNi3Fe
Niⓘ BreithauptiteNiSb
Niⓘ HeazlewooditeNi3S2
Niⓘ OrceliteNi5-xAs2, x ~ 0.25
Niⓘ Pentlandite(NixFey)Σ9S8
Niⓘ ShanditeNi3Pb2S2
Niⓘ Taenite(Fe,Ni)
CuCopper
Cuⓘ BorniteCu5FeS4
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ ChalcociteCu2S
Cuⓘ CovelliteCuS
Cuⓘ Native CopperCu
AsArsenic
Asⓘ OrceliteNi5-xAs2, x ~ 0.25
SbAntimony
Sbⓘ BreithauptiteNiSb
PbLead
Pbⓘ ShanditeNi3Pb2S2

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
  • AlpsAccretionary Complex
EuropeContinent
Switzerland

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