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Praz-Jean, Saint-Martin, Hérens, Valais, Switzerlandi
Regional Level Types
Praz-Jean- not defined -
Saint-MartinMunicipality
HérensDistrict
ValaisCanton
SwitzerlandCountry

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Latitude & Longitude (WGS84):
46° 9' 3'' North , 7° 27' 14'' East
Latitude & Longitude (decimal):
46.15111,7.45389
GeoHash:
G#: u0jq99ec8
GRN:
N31E04
Köppen climate type:
ET : Tundra
Nearest Settlements:
PlacePopulationDistance
Saint-Martin751 (2013)2.5km
Hérémence1,331 (2016)5.0km
Mase216 (2013)5.1km
Evolène1,557 (2016)5.1km
Vernamiège150 (2016)7.0km
Mindat Locality ID:
191625
Long-form identifier:
mindat:1:2:191625:9
GUID (UUID V4):
79975081-e6dc-41e6-b23b-01d70e0f7acf
Other/historical names associated with this locality:
Pra Jean, Val d'Herens, Wallis
Name(s) in local language(s):
Praz-Jean, Val d'Hérens, Valais (Wallis), Suisse (Schweiz; Svizzera)


Veins of sphalerite and (silver containing) galena, in crystalline rocks of the Bernhard nappe. Old mining, last in WWII.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

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

33 valid minerals.

Detailed Mineral List:

ⓘ 'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ 'Amphibole Supergroup var. Byssolite'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ Anatase
Formula: TiO2
ⓘ Anglesite
Formula: PbSO4
ⓘ Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
ⓘ Aragonite
Formula: CaCO3
ⓘ Aurichalcite
Formula: (Zn,Cu)5(CO3)2(OH)6
ⓘ Baryte
Formula: BaSO4
ⓘ Calcite
Formula: CaCO3
ⓘ Cerussite
Formula: PbCO3
Habit: Prismatic to tabular crystals, and sixling twins, to 4 mm
Colour: colourless, transparent to translucent
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Clinochlore
Formula: Mg5Al(AlSi3O10)(OH)8
ⓘ Covellite
Formula: CuS
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Galena
Formula: PbS
ⓘ 'Garnet Group'
Formula: X3Z2(SiO4)3
ⓘ Greenockite
Formula: CdS
Description: EDS analyses by Ph. Roth, March 2022. Not all yellow powders are greenockite (sometimes Zn dominates over Cd) but greenockite is certainly present.
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Hematite
Formula: Fe2O3
ⓘ Hemimorphite
Formula: Zn4Si2O7(OH)2 · H2O
ⓘ Hydrozincite
Formula: Zn5(CO3)2(OH)6
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Jamesonite
Formula: Pb4FeSb6S14
ⓘ Leadhillite
Formula: Pb4(CO3)2(SO4)(OH)2
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Mimetite
Formula: Pb5(AsO4)3Cl
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Pyromorphite
Formula: Pb5(PO4)3Cl
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Quartz
Formula: SiO2
ⓘ Serpierite ?
Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
ⓘ Smithsonite
Formula: ZnCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ Sulphur
Formula: S8
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S
ⓘ 'Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite'
Formula: (Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
ⓘ 'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z
ⓘ Wulfenite
Formula: Pb(MoO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘSulphur1.CC.05S8
Group 2 - Sulphides and Sulfosalts
ⓘCovellite2.CA.05aCuS
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGreenockite2.CB.45CdS
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘ'Tetrahedrite Subgroup
var. Silver-bearing Tetrahedrite'		2.GB.05(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
ⓘ''2.GB.05Cu6(Cu4C2+2)Sb4S12S
ⓘJamesonite2.HB.15Pb4FeSb6S14
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘAnatase4.DD.05TiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘSmithsonite5.AB.05ZnCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘAnkerite5.AB.10Ca(Fe2+,Mg)(CO3)2
ⓘCerussite5.AB.15PbCO3
ⓘAragonite5.AB.15CaCO3
ⓘHydrozincite5.BA.15Zn5(CO3)2(OH)6
ⓘAurichalcite5.BA.15(Zn,Cu)5(CO3)2(OH)6
ⓘLeadhillite5.BF.40Pb4(CO3)2(SO4)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘAnglesite7.AD.35PbSO4
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘSerpierite ?7.DD.30Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O
ⓘWulfenite7.GA.05Pb(MoO4)
Group 8 - Phosphates, Arsenates and Vanadates
ⓘMimetite8.BN.05Pb5(AsO4)3Cl
ⓘPyromorphite8.BN.05Pb5(PO4)3Cl
Group 9 - Silicates
ⓘHemimorphite9.BD.10Zn4Si2O7(OH)2 · H2O
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘClinochlore9.EC.55Mg5Al(AlSi3O10)(OH)8
Unclassified
ⓘ'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
ⓘ'Amphibole Supergroup
var. Byssolite'		-AX2Z5((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ⓘ Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Hⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Hⓘ HydrozinciteZn5(CO3)2(OH)6
Hⓘ LeadhillitePb4(CO3)2(SO4)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
BBoron
Bⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
CCarbon
Cⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Cⓘ AragoniteCaCO3
Cⓘ Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Cⓘ CalciteCaCO3
Cⓘ CerussitePbCO3
Cⓘ DolomiteCaMg(CO3)2
Cⓘ HydrozinciteZn5(CO3)2(OH)6
Cⓘ LeadhillitePb4(CO3)2(SO4)(OH)2
Cⓘ SmithsoniteZnCO3
OOxygen
Oⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Oⓘ AnataseTiO2
Oⓘ AnglesitePbSO4
Oⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Oⓘ AragoniteCaCO3
Oⓘ Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Oⓘ BaryteBaSO4
Oⓘ CalciteCaCO3
Oⓘ CerussitePbCO3
Oⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Oⓘ DolomiteCaMg(CO3)2
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ HematiteFe2O3
Oⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Oⓘ HydrozinciteZn5(CO3)2(OH)6
Oⓘ IlmeniteFe2+TiO3
Oⓘ LeadhillitePb4(CO3)2(SO4)(OH)2
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MimetitePb5(AsO4)3Cl
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ PyromorphitePb5(PO4)3Cl
Oⓘ QuartzSiO2
Oⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Oⓘ SmithsoniteZnCO3
Oⓘ TourmalineAD3G6 (T6O18)(BO3)3X3Z
Oⓘ WulfenitePb(MoO4)
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oⓘ Garnet GroupX3Z2(SiO4)3
Oⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FFluorine
Fⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Fⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
MgMagnesium
Mgⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Mgⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Mgⓘ DolomiteCaMg(CO3)2
AlAluminium
Alⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Alⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Alⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
SiSilicon
Siⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Siⓘ ClinochloreMg5Al(AlSi3O10)(OH)8
Siⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ QuartzSiO2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Siⓘ Garnet GroupX3Z2(SiO4)3
Siⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
PPhosphorus
Pⓘ PyromorphitePb5(PO4)3Cl
SSulfur
Sⓘ AnglesitePbSO4
Sⓘ BaryteBaSO4
Sⓘ ChalcopyriteCuFeS2
Sⓘ CovelliteCuS
Sⓘ GalenaPbS
Sⓘ GreenockiteCdS
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ JamesonitePb4FeSb6S14
Sⓘ LeadhillitePb4(CO3)2(SO4)(OH)2
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Sⓘ SphaleriteZnS
Sⓘ SulphurS8
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
ClChlorine
Clⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Clⓘ MimetitePb5(AsO4)3Cl
Clⓘ PyromorphitePb5(PO4)3Cl
Clⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Caⓘ AragoniteCaCO3
Caⓘ CalciteCaCO3
Caⓘ DolomiteCaMg(CO3)2
Caⓘ GypsumCaSO4 · 2H2O
Caⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
TiTitanium
Tiⓘ Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Tiⓘ AnataseTiO2
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ Amphibole Supergroup var. ByssoliteAX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
FeIron
Feⓘ AnkeriteCa(Fe2+,Mg)(CO3)2
Feⓘ ChalcopyriteCuFeS2
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ JamesonitePb4FeSb6S14
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
Feⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
CuCopper
Cuⓘ Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ CovelliteCuS
Cuⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Cuⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
ZnZinc
Znⓘ Aurichalcite(Zn,Cu)5(CO3)2(OH)6
Znⓘ HemimorphiteZn4Si2O7(OH)2 · H2O
Znⓘ HydrozinciteZn5(CO3)2(OH)6
Znⓘ SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
Znⓘ SmithsoniteZnCO3
Znⓘ SphaleriteZnS
Znⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
Asⓘ MimetitePb5(AsO4)3Cl
MoMolybdenum
Moⓘ WulfenitePb(MoO4)
AgSilver
Agⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
CdCadmium
Cdⓘ GreenockiteCdS
SbAntimony
Sbⓘ JamesonitePb4FeSb6S14
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sbⓘ Tetrahedrite Subgroup var. Silver-bearing Tetrahedrite(Cu,Ag)6[Cu4(Fe,Zn)2]Sb4S13
BaBarium
Baⓘ BaryteBaSO4
PbLead
Pbⓘ AnglesitePbSO4
Pbⓘ CerussitePbCO3
Pbⓘ GalenaPbS
Pbⓘ JamesonitePb4FeSb6S14
Pbⓘ LeadhillitePb4(CO3)2(SO4)(OH)2
Pbⓘ MimetitePb5(AsO4)3Cl
Pbⓘ PyromorphitePb5(PO4)3Cl
Pbⓘ WulfenitePb(MoO4)

Localities in this Region

Switzerland

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

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

(n.d.)
Dias, A. (1919) Sur quelques gîtes de la vallée d'Hérens (Valais). Bulletin de la Société vaudoise des sciences naturelles, 52(196), 2 pages.
Dias, A. (1920) Contribution à l'étude pétrographique des schistes de Casanna du Val d'Hérens (Valais, Suisse) et de quelques gîtes qui s'y rattachent. PhD Thesis, Univ. Geneva, 96 pages.
Cheneval, R.E. (1947) Le gisement de galène argentifère de Praz-Jean (Val d'Hérens). PhD Thesis #1108, Univ. Geneva, 63 pages.
Woodtli, R., Jaffé, F., von Raumer, J. (1987) Prospection minère en Valais: le projet Uromine. Matériaux pour la géologie de la Suisse, série géotechnique 72. Fonds National de la Recherche Scientifique, Projet 4.277.0.78.07.
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