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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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