Isère, Auvergne-Rhône-Alpes, France (original) (raw)

ⓘ Acanthite

Formula: Ag2S

ⓘ Actinolite

Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2

ⓘ 'Aeschynite'

ⓘ Aikinite

Formula: PbCuBiS3

ⓘ Albite

Formula: Na(AlSi3O8)

Localities:

La Combe de la Selle, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Cime du Cornillon, Le Bourg-d'Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Rif Fournel, Le Freney-d'Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Clot, Clot d'Outre (Le Clot d'Outre), Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ 'Allanite Group'

Formula: (A12+REE3+)(M13+M23+M32+)O[Si2O7][SiO4](OH)

ⓘ 'Allevardite'

ⓘ 'Amphibole Supergroup'

Formula: A B2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

Localities:

La Balme d'Auris, Auris, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Rampe des Commères, Mont-de-Lans, Les Deux Alpes, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ 'Amphibole Supergroup var. Byssolite'

Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

Localities:

La Balme d'Auris, Auris, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Rampe des Commères, Mont-de-Lans, Les Deux Alpes, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Anatase (TL)

Formula: TiO2

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

ⓘ Andradite

Formula: Ca3Fe3+2(SiO4)3

ⓘ Andradite var. Demantoid

Formula: Ca3Fe3+2(SiO4)3

ⓘ Anglesite

Formula: PbSO4

Localities:

La Poype mine, Vienne, Isère, Auvergne-Rhône-Alpes, France
La Gardette Mine, Villard-Notre-Dame, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Ankerite

Formula: Ca(Fe2+,Mg)(CO3)2

Localities:

Pierre Rousse Mine, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Mésage Mine, Saint-Pierre-de-Mésage, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Pierre Plate mine, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Allevard, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Annabergite

Formula: Ni3(AsO4)2 · 8H2O

Localities:

Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Motte-les-Bains, La Motte-Saint-Martin, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Antimony

Formula: Sb

ⓘ 'Apatite'

Formula: Ca5(PO4)3(Cl/F/OH)

Localities:

Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Mésage Mine, Saint-Pierre-de-Mésage, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Pierre Plate mine, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Aragonite

Formula: CaCO3

Localities: Reported from at least 7 localities in this region.

ⓘ Aragonite var. Flos Ferri

Formula: CaCO3

ⓘ Argentojarosite

Formula: AgFe3+3(SO4)2(OH)6

ⓘ Arsenic

Formula: As

ⓘ Arsenolite

Formula: As2O3

ⓘ Arsenopyrite

Formula: FeAsS

Localities:

Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Poype mine, Vienne, Isère, Auvergne-Rhône-Alpes, France
La Mure, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Asbolane

Formula: (Ni,Co)2-xMn4+(O,OH)4 · nH2O

Description: Associated with Annabergite.

ⓘ Axinite-(Fe) (TL)

Formula: Ca2Fe2+Al2BSi4O15OH

Localities:

Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Cime du Cornillon, Le Bourg-d'Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Le Rocher d'Armentier, La Garde, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Chamrousse, Grenoble, Isère, Auvergne-Rhône-Alpes, France

Description: Originally named axinite.

ⓘ 'Axinite Group'

Localities: Reported from at least 7 localities in this region.

ⓘ Axinite-(Mn)

Formula: Ca2Mn2+Al2BSi4O15(OH)

ⓘ Azurite

Formula: Cu3(CO3)2(OH)2

Localities: Reported from at least 6 localities in this region.

ⓘ Baryte

Formula: BaSO4

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

ⓘ Bertrandite

Formula: Be4(Si2O7)(OH)2

ⓘ Bieberite

Formula: CoSO4 · 7H2O

ⓘ 'Bindheimite'

Formula: Pb2Sb2O6O

ⓘ Bismuth

Formula: Bi

Description: in association with antimony.

ⓘ Bornite

Formula: Cu5FeS4

ⓘ Boulangerite

Formula: Pb5Sb4S11

Localities:

Villaret pit, Susville, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Mure, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Pierre Plate mine, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Pereire, Laffrey, Grenoble, Isère, Auvergne-Rhône-Alpes, France ? (more information)

ⓘ Bournonite

Formula: PbCuSbS3

Localities: Reported from at least 7 localities in this region.

Description: Cogwheels crystals up to 3 cm.

ⓘ Brannerite

Formula: UTi2O6

Localities:

La Gardette Mine, Villard-Notre-Dame, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Motte-les-Bains, La Motte-Saint-Martin, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Brochantite

Formula: Cu4(SO4)(OH)6

ⓘ Brookite

Formula: TiO2

Localities:

Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Gardette Mine, Villard-Notre-Dame, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Rif Fournel, Le Freney-d'Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Calcite

Formula: CaCO3

Localities: Reported from at least 19 localities in this region.

ⓘ Calcite var. Lublinite

Formula: CaCO3

ⓘ Calcite var. Manganese-bearing Calcite

Formula: (Ca,Mn)CO3

ⓘ Cannizzarite

Formula: Pb48Bi56S132

ⓘ Cassiterite

Formula: SnO2

ⓘ Celestine

Formula: SrSO4

Localities:

Montalieu-Vercieu Quarry, Montalieu-Vercieu, La Tour-du-Pin, Isère, Auvergne-Rhône-Alpes, France
Champa quarry, Le Gua, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Cerussite

Formula: PbCO3

Localities:

La Poype mine, Vienne, Isère, Auvergne-Rhône-Alpes, France
Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Gardette Mine, Villard-Notre-Dame, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Pierre Plate mine, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Cervantite

Formula: Sb3+Sb5+O4

ⓘ 'Chabazite'

ⓘ Chalcopyrite

Formula: CuFeS2

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

ⓘ Chlorargyrite

Formula: AgCl

Description: Small cubic crystals.

ⓘ 'Chlorite Group'

Localities: Reported from at least 8 localities in this region.

ⓘ Chloritoid

Formula: (Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2

ⓘ Chromite

Formula: Fe2+Cr3+2O4

ⓘ Chrysocolla

Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1

ⓘ Chrysotile

Formula: Mg3(Si2O5)(OH)4

ⓘ Cinnabar

Formula: HgS

Localities:

Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Villaret pit, Susville, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Baryte occurrence, La Mure, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Combe Guichard, Prunières, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Clinochlore

Formula: Mg5Al(AlSi3O10)(OH)8

Localities:

La Combe de la Selle, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Trouée des Fées, Mont-de-Lans, Les Deux Alpes, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Rampe des Commères, Mont-de-Lans, Les Deux Alpes, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Clinochlore var. Ripidolite

Formula: (Mg,Fe,Al)6(Si,Al)4O10(OH)8

ⓘ Cobaltite

Formula: CoAsS

ⓘ Cookeite

Formula: (LiAl4◻)[AlSi3O10](OH)8

ⓘ Covellite

Formula: CuS

ⓘ Crichtonite (TL)

Formula: Sr(Mn,Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH)38

ⓘ Cubanite

Formula: CuFe2S3

ⓘ Cuprite

Formula: Cu2O

ⓘ Dessauite-(Y)

Formula: (Sr,Pb)(Y,U)(Ti,Fe3+)20O38

ⓘ Devilline

Formula: CaCu4(SO4)2(OH)6 · 3H2O

ⓘ Diadochite

Formula: Fe3+2(PO4)(SO4)(OH) · 6H2O

Localities:

Peychagnard Mine, Peychagnard, Susville, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Villaret pit, Susville, Grenoble, Isère, Auvergne-Rhône-Alpes, France

References:

Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.

ⓘ Dickite

Formula: Al2(Si2O5)(OH)4

ⓘ Dolomite

Formula: CaMg(CO3)2

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

ⓘ Dolomite var. Iron-bearing Dolomite

Formula: Ca(Mg,Fe)(CO3)2

ⓘ Dyscrasite

Formula: Ag3Sb

ⓘ Epidote (TL)

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

Localities: Reported from at least 10 localities in this region.

ⓘ Erythrite

Formula: Co3(AsO4)2 · 8H2O

Description: Earthy material.

ⓘ 'Feldspar Group'

ⓘ Ferro-actinolite

Formula: ◻Ca2Fe2+5(Si8O22)(OH)2

ⓘ Fluorapatite

Formula: Ca5(PO4)3F

Colour: pink

Description: Pink crystals up to 1 cm

ⓘ Fluorapatite var. Carbonate-rich Fluorapatite

Formula: Ca5(PO4,CO3)3(F,O)

ⓘ Fluorite

Formula: CaF2

ⓘ Galena

Formula: PbS

Localities: Reported from at least 17 localities in this region.

ⓘ Galena var. Silver-bearing Galena

Formula: PbS with Ag

ⓘ 'Garnet Group'

Formula: X3Z2(SiO4)3

Localities:

Cime du Cornillon, Le Bourg-d'Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Tignieu quarry, Tignieu-Jameyzieu, La Tour-du-Pin, Isère, Auvergne-Rhône-Alpes, France

ⓘ 'Glauconite'

Formula: K0.60-0.85(Fe3+,Mg,Al)2(Si,Al)4O10](OH)2

ⓘ Goethite

Formula: α-Fe3+O(OH)

Localities: Reported from at least 6 localities in this region.

ⓘ Gold

Formula: Au

Localities:

La Gardette Mine, Villard-Notre-Dame, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Motte-les-Bains, La Motte-Saint-Martin, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Tignieu quarry, Tignieu-Jameyzieu, La Tour-du-Pin, Isère, Auvergne-Rhône-Alpes, France

Description: Masses up to 300 grams and octahedra dendrites in galena.

ⓘ Greenockite

Formula: CdS

Description: The yelow powder of microcristalisation, and pulvérulent in sphalérit matrix.

ⓘ Gypsum

Formula: CaSO4 · 2H2O

Localities: Reported from at least 8 localities in this region.

ⓘ Gypsum var. Selenite

Formula: CaSO4 · 2H2O

ⓘ Hematite

Formula: Fe2O3

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

ⓘ Hematite var. Iron Rose

Formula: Fe2O3

ⓘ Hematite var. Specularite

Formula: Fe2O3

ⓘ Hemimorphite

Formula: Zn4Si2O7(OH)2 · H2O

Localities:

La Poype mine, Vienne, Isère, Auvergne-Rhône-Alpes, France
Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Pierre Plate mine, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Hydrozincite

Formula: Zn5(CO3)2(OH)6

ⓘ Ilmenite

Formula: Fe2+TiO3

Localities:

Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Gardette Mine, Villard-Notre-Dame, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ 'Iron-Platinum alloy'

Formula: (Pt,Fe)

ⓘ 'Jasper'

ⓘ Kermesite

Formula: Sb2S2O

ⓘ 'K Feldspar'

Localities:

Massif des Grandes Rousses, Le Freney-d'Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Combe de la Selle, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ 'K Feldspar var. Adularia'

Formula: KAlSi3O8

Localities:

Massif des Grandes Rousses, Le Freney-d'Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Combe de la Selle, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ 'Limonite'

Localities:

La Verpillière Mine, La Verpillière, La Tour-du-Pin, Isère, Auvergne-Rhône-Alpes, France
Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Linarite

Formula: PbCu(SO4)(OH)2

ⓘ Löllingite

Formula: FeAs2

ⓘ Magnesite

Formula: MgCO3

Description: Mesitite variety.

ⓘ Magnetite

Formula: Fe2+Fe3+2O4

Localities:

Tignieu quarry, Tignieu-Jameyzieu, La Tour-du-Pin, Isère, Auvergne-Rhône-Alpes, France
Clot, Clot d'Outre (Le Clot d'Outre), Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Malachite

Formula: Cu2(CO3)(OH)2

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

ⓘ Marcasite

Formula: FeS2

ⓘ Melanterite

Formula: Fe2+(H2O)6SO4 · H2O

ⓘ Millerite

Formula: NiS

ⓘ Mimetite

Formula: Pb5(AsO4)3Cl

ⓘ Monazite-(Ce)

Formula: Ce(PO4)

Localities:

Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Trouée des Fées, Mont-de-Lans, Les Deux Alpes, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Moschellandsbergite

Formula: Ag2Hg3

ⓘ Munakataite

Formula: Pb2Cu2(Se4+O3)(SO4)(OH)4

ⓘ Nacrite

Formula: Al2(Si2O5)(OH)4

ⓘ Nesquehonite

Formula: MgCO3 · 3H2O

Description: Occurred in an old coal mine tunnel.

ⓘ Nickeline

Formula: NiAs

ⓘ Orthoclase

Formula: K(AlSi3O8)

Localities:

La Combe de la Selle, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Phenakite

Formula: Be2SiO4

ⓘ Platinum

Formula: Pt

ⓘ Plumbogummite

Formula: PbAl3(PO4)(PO3OH)(OH)6

ⓘ Prehnite

Formula: Ca2Al2Si3O10(OH)2

Localities: Reported from at least 7 localities in this region.

Habit: Helmet habit, fan, bow tie

Colour: white to pale yellow, light to dark green

ⓘ Proustite

Formula: Ag3AsS3

ⓘ Pyrargyrite

Formula: Ag3SbS3

ⓘ Pyrite

Formula: FeS2

Localities: Reported from at least 20 localities in this region.

ⓘ Pyrolusite

Formula: Mn4+O2

ⓘ Pyromorphite

Formula: Pb5(PO4)3Cl

Localities:

Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Poype mine, Vienne, Isère, Auvergne-Rhône-Alpes, France
Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Gardette Mine, Villard-Notre-Dame, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Pyrrhotite

Formula: Fe1-xS

Localities:

La Combe de la Selle, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Quartz

Formula: SiO2

Localities: Reported from at least 39 localities in this region.

Habit: Slender crystals, Dauphiné habit common.

Colour: Colorless.

Description: Large groups of well-developed, slender, clear rock crystals of very good luster. Dauphiné habit common. La Gardette is the "type locality" of crystals with lamellar structure as described by Weil (1930, 1931), and the "type locality" of Japan law twins, initially called "La Gardette twins" by Weiss (1829).

ⓘ Quartz var. Faden Quartz

Formula: SiO2

ⓘ Quartz var. Rock Crystal

Formula: SiO2

ⓘ Quartz var. Smoky Quartz

Formula: SiO2

ⓘ Rectorite

Formula: (Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O

ⓘ Rosasite

Formula: (Cu,Zn)2(CO3)(OH)2

ⓘ Rutile

Formula: TiO2

Localities: Reported from at least 11 localities in this region.

ⓘ Safflorite

Formula: (Co,Ni,Fe)As2

Description: in association with antimony and stibarsen

ⓘ Sauconite

Formula: Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O

ⓘ Schachnerite

Formula: Ag1.1Hg0.9

ⓘ Scheelite

Formula: Ca(WO4)

ⓘ Schorl

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

ⓘ Semseyite

Formula: Pb9Sb8S21

ⓘ Senarmontite

Formula: Sb2O3

Description: in association with valentinite and antimony.

ⓘ Serpierite

Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O

ⓘ Siderite

Formula: FeCO3

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

ⓘ Silver

Formula: Ag

ⓘ Silver var. Native Amalgam

Formula: (Ag,Hg)

ⓘ Skutterudite

Formula: CoAs3

Description: Fine crystals (0.5 centimeters).

ⓘ Smithsonite

Formula: ZnCO3

Localities:

La Poype mine, Vienne, Isère, Auvergne-Rhône-Alpes, France
La Pereire, Laffrey, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Villaret pit, Susville, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Pierre Plate mine, Vizille, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Sphalerite

Formula: ZnS

Localities: Reported from at least 11 localities in this region.

Description: Gemmy red-orange (sometimes green) crystals up to 2 cm. Classic black crystals up to 7 cm.

ⓘ Stibarsen

Formula: AsSb

ⓘ 'Stibiconite'

Formula: Sb3+Sb5+2O6(OH)

ⓘ Stibnite

Formula: Sb2S3

Localities:

Combe Guichard, Prunières, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Villaret pit, Susville, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ 'Stilbite Subgroup'

Formula: M6-7[Al8-9Si27-28O72] · nH2O

ⓘ Sulphur

Formula: S8

Localities:

Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Champa quarry, Le Gua, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ 'Synchysite'

Formula: Ca(Ce/Nd/Y/REE)(CO3)2F

ⓘ Talc

Formula: Mg3Si4O10(OH)2

ⓘ 'Tennantite-Tetrahedrite Series'

ⓘ 'Tetrahedrite Subgroup'

Formula: Cu6(Cu4C2+2)Sb4S12S

Localities: Reported from at least 7 localities in this region.

Description: Crystals up to 5 cm

ⓘ Titanite

Formula: CaTi(SiO4)O

Localities:

Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Clot, Clot d'Outre (Le Clot d'Outre), Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Tremolite

Formula: ◻Ca2Mg5(Si8O22)(OH)2

ⓘ Tučekite

Formula: Ni9Sb2S8

Description: Symplectic associations with nickelite, from periphery towards the core, with evolution to ullmannite.

ⓘ Ullmannite

Formula: NiSbS

Localities:

La Taillat Mine, Allevard, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Valentinite (TL)

Formula: Sb2O3

Type Locality:

ⓘ Wulfenite

Formula: Pb(MoO4)

Localities:

Les Chalanches Mine, Allemond, Grenoble, Isère, Auvergne-Rhône-Alpes, France
La Poype mine, Vienne, Isère, Auvergne-Rhône-Alpes, France
Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France

ⓘ Xenotime-(Y)

Formula: Y(PO4)

ⓘ Zircon

Formula: Zr(SiO4)

Localities:

Plan-du-Lac, Saint-Christophe-en-Oisans, Grenoble, Isère, Auvergne-Rhône-Alpes, France
Tignieu quarry, Tignieu-Jameyzieu, La Tour-du-Pin, Isère, Auvergne-Rhône-Alpes, France