Graphite
Graphite (C)
mineral
Category
Metamorphic And Igneous Rocks
Browse metamorphic and igneous rocks specimens identified by the Rock Identifier community.
Learn about Metamorphic And Igneous Rocks in the encyclopedia
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Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
mineral
Muscovite
KAl2(AlSi3O10)(OH)2
mineral
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
mineral
Biotite / Black Mica
K(Mg,Fe)3(AlSi3O10)(F,OH)2
mineral
Muscovite Mica
Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Greenstone or Epidote-rich rock
Epidote or Chlorite schist/greenstone
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Feldspar (Potassium Feldspar / Orthoclase)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Magnetite
Fe3O4 (Iron(II,III) oxide)
mineral
Sunstone / Peach Moonstone (Feldspar variety)
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Ptygmatic Migmatite
Migmatite (consisting of Neosome and Paleosome fractions)
metamorphic
K-Feldspar (Potassium Feldspar)
Potassium Feldspar (Microcline or Orthoclase), KAlSi3O8
mineral
Potassium Feldspar (Orthoclase / Microcline)
KAlSi3O8
mineral
Magnetite / Iron-Rich Basalt
Magnetite bearing Mafic Rock (Fe3O4)
igneous
Magnetite or Hematite Nodule
Iron Oxide (Fe3O4 or Fe2O3)
mineral
Rainbow Moonstone
White Labradorite (Feldspar variety)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Garnet
Pyrope or Almandine (X3Y2(SiO4)3)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Citrine
Silicon dioxide (SiO2)
gemstone
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Sunstone
Feldspar group (Oligoclase / Labradorite)
gemstone
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
mineral
Hypersthene
Enstatite-Ferrosilite series, (Mg,Fe)2Si2O6
mineral
Feldspar (specifically Orthoclase)
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Blue gemstone, likely iolite or blue sapphire
Iolite (cordierite, Mg₂Al₄Si₅O₁₈) or corundum (sapphire, Al₂O₃)
gemstone
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Green Aventurine
Silicon Dioxide (Quartz) with Fuchsite inclusions (SiO2)
mineral
Epidote
Epidote ({Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))
mineral
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
mineral
Garnet (Almandine/Pyrope series)
Garnet Group - X3Y2(SiO4)3
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral