Phyllite
Phyllite
Category
Browse metamorphic and sedimentary specimens identified by the Rock Identifier community.
Phyllite
Phyllite
Garnet (specifically Almandine)
Almandine - Fe3Al2(SiO4)3
Gneiss
Gneissic Metamorphic Rock
Gneiss
Gneissic Metamorphic Rock
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Honey Calcite
Calcium Carbonate (CaCO3)
Collection of Minerals and Ores
Various (e.g., Uraninite (U3O8), Carbon (C), Native Gold (Au), Hematite (Fe2O3), Galena (PbS), etc.)
Blue Calcite
Calcium Carbonate (CaCO3)
Galena
Lead(II) sulfide (PbS)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Emerald
Beryl (Be3Al2(SiO3)6) colored by Chromium and/or Vanadium
Yellow Aventurine
Silicon Dioxide with inclusions (SiO2 + Muscovite/Fuchsite)
Potassium Feldspar
Orthoclase (KAlSi3O8)
Green Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Garnet Schist
Almandine-Garnet Schist
Pyrite in Host Rock
Iron Disulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Galena
Lead(II) sulfide (PbS)
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Blue Apatite
Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Hematite Nodule
Hematite (Fe2O3)
Pyrite in Quartz
Iron Disulfide (FeS2) in Silicon Dioxide (SiO2)
Tiger's Eye
Silicon dioxide (SiO2) - Pseudomorph after crocidolite
Bornite
Bornite (Cu5FeS4)
Unidentifiable Rock Fragment
Pyrite (locally known as Fool's Gold)
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F
Calcite
Calcite (Calcium Carbonate, CaCO3)
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Gold Mineral
Native Gold (Au)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Garnet in Schist (Polished Tower)
Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist