Blue Kyanite
Kyanite (Al2SiO5)
Category
Browse metamorphic rock (for both nephrite and jadeite) specimens identified by the Rock Identifier community.
Blue Kyanite
Kyanite (Al2SiO5)
Phyllite
Phyllite
Garnet (likely Almandine)
Almandine Garnet, Fe3Al2(SiO4)3
Blue Aventurine
Silicon Dioxide (SiO2) with inclusions of Dumortierite
Rhodonite in Quartz Matrix
Rhodonite (Manganese Iron Magnesium Calcium Silicate - Mn,Fe,Mg,Ca)SiO3
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Chalcopyrite
Chalcopyrite (CuFeS2)
Hypersthene
Hypersthene (Magnesium Iron Silicate - (Mg,Fe)SiO3)
Fuchsite
Chromium-rich Muscovite (KAl2(AlSi3O10)(OH,F)2 with Cr replacements)
Limestone
Calcareous Sedimentary Rock (CaCO3)
Almandine Garnet
Fe3Al2(SiO4)3
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Muscovite Mica (Granitic Pegmatite)
Muscovite - KAl2(AlSi3O10)(OH)2
Muscovite Mica
Muscovite - KAl2(AlSi3O10)(OH)2
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Muscovite Mica (with Quartz matrix)
Muscovite - KAl2(AlSi3O10)(OH)2
Magnetite / Iron Ore
Magnetite (Fe3O4)
Magnetite
Magnetite (Fe3O4)
Ruby in Fuchsite (often sold as Ruby in Zoisite)
Corundum (Al2O3) in Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Kyanite
Kyanite (Al2SiO5)
Rough Ruby (Corundum) in Zoisite Matrix
Al2O3 (Aluminum Oxide) with Ca2Al3(SiO4)3(OH)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
Blue Apatite
Apatite (Group), Ca5(PO4)3(F,Cl,OH)
Quartzite
Quartzite (Primary mineral: Quartz, SiO2)
Garnet (Almandine/Pyrope series)
Silicate mineral (Almandine: Fe3Al2Si3O12; Pyrope: Mg3Al2Si3O12)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Green Aventurine
Aventurine Quartz (SiO2 with fuchsite inclusions)
Epidote with Magnetite/Hematite inclusions
Epidote (Ca2(Al2,Fe3+)(SiO4)3(OH)) with Iron Oxides
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Almandine Garnet
Almandine (Fe3Al2Si3O12)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
Mica (Muscovite)
Muscovite, KAl2(AlSi3O10)(OH)2
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Corundum
Corundum (Aluminium oxide, Al2O3)
White Sapphire
Corundum (Al2O3)
Green Aventurine
Quartz (SiO2) containing Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Quartz
Quartz (SiO₂)
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
Talc
Talc (Mg₃Si₄O₁₀(OH)₂)