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Arnas Valley (Rio Arnas Valley), Mussa Alp (Pian della Mussa; Piano della Mussa; La Mussa; Lamussa), Balme, Metropolitan City of Turin, Piedmont, Italyi
Regional Level Types
Arnas Valley (Rio Arnas Valley)Valley
Mussa Alp (Pian della Mussa; Piano della Mussa; La Mussa; Lamussa)Alpine Pasture
BalmeCommune
Metropolitan City of TurinMetropolitan City
PiedmontRegion
ItalyCountry
Arnas Valley (Rio Arnas Valley), Mussa Alp (Pian della Mussa; Piano della Mussa; La Mussa; Lamussa), Ala Valley, Lanzo Valleys, Metropolitan City of Turin, Piedmont, Italy
Arnas Valley (Rio Arnas Valley), Mussa Alp (Pian della Mussa; Piano della Mussa; La Mussa; Lamussa), Lanzo Valleys, Metropolitan City of Turin, Piedmont, Italy

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PhotosMapsSearch
01380580017272087548208.jpg
Arnas Valley

Arnas Valley, Mussa Alp, Balme, Metropolitan City of Turin, Piedmont, Italy
05245120017272087547427.jpg
Spessartine

Arnas Valley, Mussa Alp, Balme, Metropolitan City of Turin, Piedmont, Italy
08610080017272087547366.jpg
Boulangerite

Arnas Valley, Mussa Alp, Balme, Metropolitan City of Turin, Piedmont, Italy
01380580017272087548208.jpg
Arnas Valley

Arnas Valley, Mussa Alp, Balme, Metropolitan City of Turin, Piedmont, Italy
01470590017272020242377.jpg
Spessartine

Arnas Valley, Mussa Alp, Balme, Metropolitan City of Turin, Piedmont, Italy
09664250017272005954845.jpg
Boulangerite

Arnas Valley, Mussa Alp, Balme, Metropolitan City of Turin, Piedmont, Italy
01380580017272087548208.jpg
Arnas Valley

Arnas Valley, Mussa Alp, Balme, Metropolitan City of Turin, Piedmont, Italy
01470590017272020242377.jpg
Spessartine

Arnas Valley, Mussa Alp, Balme, Metropolitan City of Turin, Piedmont, Italy
Latitude & Longitude (WGS84):
45° 17' 38'' North , 7° 9' 14'' East
Latitude & Longitude (decimal):
45.29399,7.15415
GeoHash:
G#: u0j1dv92x
GRN:
N31E04
Type:
Valley
Köppen climate type:
Cfb : Temperate oceanic climate
Mindat Locality ID:
64348
Long-form identifier:
mindat:1:2:64348:2
GUID (UUID V4):
0
Name(s) in local language(s):
Vallone d'Arnas (Vallone di Rio Arnas), Alpe della Mussa (Pian della Mussa; Piano della Mussa; La Mussa; Lamussa), Balme, Val d'Ala, Valli di Lanzo, Torino, Piemonte, Italia


mineralized veins in various types of rocks along the valley, including:

- quartz veins in gneiss (the paragenesis comprises quartz, aeschynite-(Y), anatase, brookite, xenotime-(Y));
- albite veins in prasinite (the paragenesis comprises albite, amphibole, calcite, clinozoisite, prehnite);
- manganese silicates (braunite, rhodonite, spessartine).

For the Fe-Pb-(Cu)-As-Sb-S mineralization within carbonate gangue of Beccas d’Arnas, see the relevant sublocality [http://www.mindat.org/loc-253258.html].

Arnas valley, if compared with the other mineral sites near Pian della Mussa, has a very short history as a mineral locality. Excluding the earliest mentions of common minerals (such as calcite, pyrite, chalcopyrite, magnetite, quartz, and siderite) made by some authors (Grill and Repossi, 1942; Repossi, 1942; Maletto et al., 1976; Brizio et al., 1984), it was only from the 1990s that serious collecting and scientific investigations evidenced the mineral wealth of this valley.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

25 valid minerals.

Detailed Mineral List:

ⓘ Aeschynite-(Y)
Formula: Y(TiNb)O6
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Anatase
Formula: TiO2
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
Habit: saddle-like xls
Colour: white, creamy, dark brown
Description: It is a magnesian ankerite.
ⓘ Aragonite
Formula: CaCO3
Habit: sprays of acicular xls
Colour: white
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Boulangerite
Formula: Pb5Sb4S11
Habit: needles
Description: xls up to 6 mm.
ⓘ Bournonite
Formula: PbCuSbS3
ⓘ Braunite
Formula: Mn2+Mn3+6(SiO4)O8
ⓘ Brookite
Formula: TiO2
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ Dolomite
Formula: CaMg(CO3)2
Habit: saddle-like xls
Colour: white, creamy, dark brown
Description: It is a Fe-rich dolomite
ⓘ Grossular
Formula: Ca3Al2(SiO4)3
ⓘ Hörnesite
Formula: Mg3(AsO4)2 · 8H2O
Habit: spherules of lamellar xls
Colour: white
ⓘ Löllingite
Formula: FeAs2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Prehnite
Formula: Ca2Al2Si3O10(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Rhodonite
Formula: CaMn3Mn[Si5O15]
ⓘ Siderite
Formula: FeCO3
ⓘ Spessartine
Formula: Mn2+3Al2(SiO4)3
ⓘ Xenotime-(Y)
Formula: Y(PO4)

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrite2.EB.05aFeS2
ⓘLöllingite2.EB.15aFeAs2
ⓘArsenopyrite2.EB.20FeAsS
ⓘBournonite2.GA.50PbCuSbS3
ⓘBoulangerite2.HC.15Pb5Sb4S11
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘQuartz4.DA.05SiO2
ⓘAnatase4.DD.05TiO2
ⓘBrookite4.DD.10TiO2
ⓘAeschynite-(Y)4.DF.05Y(TiNb)O6
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSiderite5.AB.05FeCO3
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAragonite5.AB.15CaCO3
Group 8 - Phosphates, Arsenates and Vanadates
ⓘXenotime-(Y)8.AD.35Y(PO4)
ⓘHörnesite8.CE.40Mg3(AsO4)2 · 8H2O
Group 9 - Silicates
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘSpessartine9.AD.25Mn2+3Al2(SiO4)3
ⓘBraunite9.AG.05Mn2+Mn3+6(SiO4)O8
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘRhodonite9.DK.05CaMn3Mn[Si5O15]
ⓘPrehnite9.DP.20Ca2Al2Si3O10(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

List of minerals for each chemical element

HHydrogen
Hⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ HörnesiteMg3(AsO4)2 · 8H2O
Hⓘ PrehniteCa2Al2Si3O10(OH)2
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Cⓘ AragoniteCaCO3
Cⓘ CalciteCaCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ SideriteFeCO3
OOxygen
Oⓘ Aeschynite-(Y)Y(TiNb)O6
Oⓘ AlbiteNa(AlSi3O8)
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnataseTiO2
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ AragoniteCaCO3
Oⓘ BrauniteMn2+Mn63+(SiO4)O8
Oⓘ BrookiteTiO2
Oⓘ CalciteCaCO3
Oⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ DolomiteCaMg(CO3)2
Oⓘ GrossularCa3Al2(SiO4)3
Oⓘ HörnesiteMg3(AsO4)2 · 8H2O
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ PrehniteCa2Al2Si3O10(OH)2
Oⓘ QuartzSiO2
Oⓘ RhodoniteCaMn3Mn[Si5O15]
Oⓘ SideriteFeCO3
Oⓘ SpessartineMn32+Al2(SiO4)3
Oⓘ Xenotime-(Y)Y(PO4)
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
NaSodium
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ HörnesiteMg3(AsO4)2 · 8H2O
AlAluminium
Alⓘ AlbiteNa(AlSi3O8)
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ GrossularCa3Al2(SiO4)3
Alⓘ PrehniteCa2Al2Si3O10(OH)2
Alⓘ SpessartineMn32+Al2(SiO4)3
SiSilicon
Siⓘ AlbiteNa(AlSi3O8)
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ BrauniteMn2+Mn63+(SiO4)O8
Siⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ GrossularCa3Al2(SiO4)3
Siⓘ PrehniteCa2Al2Si3O10(OH)2
Siⓘ QuartzSiO2
Siⓘ RhodoniteCaMn3Mn[Si5O15]
Siⓘ SpessartineMn32+Al2(SiO4)3
PPhosphorus
Pⓘ Xenotime-(Y)Y(PO4)
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ BoulangeritePb5Sb4S11
Sⓘ BournonitePbCuSbS3
Sⓘ ChalcopyriteCuFeS2
Sⓘ PyriteFeS2
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ AragoniteCaCO3
Caⓘ CalciteCaCO3
Caⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ DolomiteCaMg(CO3)2
Caⓘ GrossularCa3Al2(SiO4)3
Caⓘ PrehniteCa2Al2Si3O10(OH)2
Caⓘ RhodoniteCaMn3Mn[Si5O15]
TiTitanium
Tiⓘ Aeschynite-(Y)Y(TiNb)O6
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ AnataseTiO2
Tiⓘ BrookiteTiO2
MnManganese
Mnⓘ BrauniteMn2+Mn63+(SiO4)O8
Mnⓘ RhodoniteCaMn3Mn[Si5O15]
Mnⓘ SpessartineMn32+Al2(SiO4)3
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ ArsenopyriteFeAsS
Feⓘ ChalcopyriteCuFeS2
Feⓘ LöllingiteFeAs2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
CuCopper
Cuⓘ BournonitePbCuSbS3
Cuⓘ ChalcopyriteCuFeS2
AsArsenic
Asⓘ ArsenopyriteFeAsS
Asⓘ HörnesiteMg3(AsO4)2 · 8H2O
Asⓘ LöllingiteFeAs2
YYttrium
Yⓘ Aeschynite-(Y)Y(TiNb)O6
Yⓘ Xenotime-(Y)Y(PO4)
NbNiobium
Nbⓘ Aeschynite-(Y)Y(TiNb)O6
SbAntimony
Sbⓘ BoulangeritePb5Sb4S11
Sbⓘ BournonitePbCuSbS3
PbLead
Pbⓘ BoulangeritePb5Sb4S11
Pbⓘ BournonitePbCuSbS3

Localities in this Region

Italy
  • Piedmont
    • Metropolitan City of Turin
      • Balme
        • Mussa Alp (Pian della Mussa; Piano della Mussa; La Mussa; Lamussa)

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
  • AlpsAccretionary Complex
EuropeContinent
Italy

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.

References

Barresi A.A., Caiolo M., Ambrino P., Orlandi P., 2003. Mineralogia delle Valli di Lanzo (Piemonte). Hornesite, lollingite, boulangerite e bournonite in un filone idrotermale dell'alta Val d'Ala (TO). Il Cercapietre, 1-2.
Grill, E., and Repossi, Elena (1942): Itinerari mineralogici. La Val d'Ala. Natura, 33, 42-57.
Repossi, Elena (1942): Ricerche su alcuni minerali della Val d'Ala. Atti Soc. Ital. Sci. Nat., 81, 138-152.
Maletto, G., Meda, F., Pelizzone, G. (1976): I minerali della Val d'Ala. Ellezeta, Ed., Torino 72 pp.
Brizio, P., Maletto, G., Pelizzone, G. (1984): Aggiornamento a: "I minerali della Val d'Ala". Not. Miner. Paleont. (Riccione), 39, 3-15 (Part I); 40, 44-48 (Part II).
Valverde, P. (1998): Special Anatase. Le Cahier des Micromonteurs, 3, 66 pp. + 11 planches couleur.
Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007) Minerali del Piemonte e della Valle d'Aosta - Associazione Amici del Museo "F. Eusebio" Alba.
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