Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
Category
Browse mineral (metamorphic pseudomorph) specimens identified by the Rock Identifier community.
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
Magnetite
Iron(II,III) oxide (Fe3O4)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Greenschist
Greenschist (Chlorite Schist)
Rhodonite
(Mn,Fe,Mg,Ca)SiO3
Corundum
Corundum (Aluminium oxide, Al2O3)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)
Biotite Schist
Biotite-rich Schist [K(Mg,Fe)3AlSi3O10(F,OH)2]
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Blue Calcite
Calcium Carbonate (CaCO3)
Apatite
Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))
Magnetite
Magnetite (Fe3O4)
Gneiss
Metamorphic Gneiss
Apatite
Ca5(PO4)3(F,Cl,OH)
Quartzite with Epidote/Chlorite Inclusion
Metamorphic Quartzite (SiO2 with accessory silicate minerals)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Rhodonite
Manganese silicate: (Mn,Fe,Mg,Ca)SiO3
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Garnet
Almandine-Pyrope group, X3Y2(SiO4)3
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
Kyanite
Kyanite (Al2SiO5)
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Green Aventurine
Silicon dioxide (SiO2) with inclusions of Fuchsite
Magnetite (Small Granule)
Magnetite (Fe3O4)
Rhodonite
Manganese Silicate (Mn, Fe, Mg, Ca)SiO3
Gneiss (Banded Gneiss Cobble)
Gneiss
Pyrite or Chalcopyrite specimen (Gold-colored mineral coating)
Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)
Amphibolite
Amphibolite
Pyrite in Matrix
Iron Sulfide (FeS2)
Green Aventurine
Silicon Dioxide with Fuchsite (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Garnet-Mica Schist
Garnetiferous Porphyroblastic Schist
Blue Dumortierite Quartz
Dumortierite Inclusions in Quartz (SiO2 with Al7(BO3)(SiO4)3O3)
Kyanite
Kyanite (Al2SiO5)
Dumortierite in Quartz
Dumortierite (Al6O3(BO3)(SiO4)3) with Quartz (SiO2)
Epidote in Matrix
Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
Aventurine
Silicon dioxide (SiO2) with inclusions
Magnetite (Charnockite Regional Variation)
Magnetite (Fe3O4)
Schist
Schist
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Gneiss
Metamorphic Gneiss
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))