Garnet
Almandine formula: Fe3Al2(SiO4)3
Category
Browse mineral, often found in metamorphic rocks but also in sedimentary and igneous rocks specimens identified by the Rock Identifier community.
Garnet
Almandine formula: Fe3Al2(SiO4)3
Pyrite
Iron Sulfide (FeS2)
Magnetite
Magnetite (Fe3O4)
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Hypersthene
Hypersthene (Enstatite variety), (Mg,Fe)SiO3
Pyrite
Iron Sulfide (FeS2)
Hematite
Iron(III) oxide (Fe2O3)
Gneiss
Gneiss (High-grade metamorphic rock)
Pyrite
Iron Disulfide (FeS2)
Calcite
Calcium Carbonate (CaCO3)
Garnet
Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
Biotite (Mica)
Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)
Apatite
Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Sodalite
Na8(Al6Si6O24)Cl2
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Magnetite
Magnetite (Fe3O4)
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Orange Calcite
Calcium Carbonate (CaCO3)
Muscovite Mica
KAl2(AlSi3O10)(OH)2
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Specular Hematite
Specularite (Iron(III) oxide, Fe2O3)
Iolite (Cordierite)
Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18
Black Tourmaline (Schorl)
Schorl (Na(Fe^2+)3Al6(Si6O18)(BO3)3(OH)4)
Hematite
Iron(III) oxide (Fe2O3)
Nephrite Jade
Nephrite
Red Garnet (Almandine-Pyrope series)
Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
Zoisite with Hornblende
Zoisite (Ca2Al3(SiO4)3(OH)) with Amphibole inclusions
Almandine Garnet
Almandine [Fe3Al2(SiO4)3]
Magnetite Ore
Magnetite (Fe3O4)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Copper Ore (likely Chalcopyrite in Matrix)
Chalcopyrite (CuFeS2)
Pyrite
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Turquoise and Hematite
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)
Garnet (Almandine/Pyrope variety)
Silicate mineral group; typically Fe3Al2(SiO4)3 (Almandine) or Mg3Al2(SiO4)3 (Pyrope)
Raw Fluorite
Calcium Fluoride (CaF2)