Schist
Mica Schist
metamorphic
Category
Igneous, Metamorphic, And Sedimentary
Browse igneous, metamorphic, and sedimentary specimens identified by the Rock Identifier community.
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Foliated Metamorphic Rock (Mainly composed of Quartz, Illite, Chlorite)
metamorphic
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
metamorphic
Quartz (likely Clear Quartz or Rock Crystal)
Quartz (SiO2)
Mineral
Orange Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Garnet
Garnet Group (often Pyrope or Almandine); X3Y2(SiO4)3
mineral
Lapis Lazuli
Lapis Lazuli (a rock composed primarily of Lazurite)
Metamorphic rock
Muscovite (Mica)
Muscovite - KAl2(AlSi3O10)(OH)2
mineral
Epidote
Epidote {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
mineral
Epidote (Greenstone)
Calcium aluminum iron silicate hydroxide Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)
metamorphic
Epidote in Matrix (Dragon Stone variant)
Epidote with Quartz/Feldspar (Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Red Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Greenschist
Greenschist (Chlorite Schist)
metamorphic
Green Calcite
Calcite (CaCO3)
mineral
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
gemstone
Sapphire
Corundum (Al2O3)
gemstone
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Labradorite (Polished Sphere)
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Ruby (or potential synthetic/imitation)
Corundum (Al2O3)
gemstone
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Rough Sapphire (possibly Yellow/Green Corundum)
Corundum (Al2O3)
mineral
Green Aventurine
Silicon Dioxide (Quartz variety) with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Blue Quartz
Quartz (Silicon Dioxide) with inclusions, SiO2
mineral
Amazonite
Potassium Feldspar (KAlSi3O8)
mineral
Peach Moonstone
Feldspar (KAlSi3O8) with inclusions
mineral
Amethyst (Raw)
Amethyst (Silicon Dioxide with Iron impurities, SiO2)
mineral
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO₂)
mineral