Smoky Quartz
Silicon Dioxide (SiO₂)
mineral
Category
Metamorphic (Pseudo Igneous)
Browse metamorphic (pseudo igneous) specimens identified by the Rock Identifier community.
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Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
mineral
Garnet
Garnet group species (likely Almandine, Fe3Al2(SiO4)3)
mineral
Rough Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Magnetite / Iron Ore (likely Hematite-Magnetite mix)
Magnetite (Fe3O4)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
mineral
Orthoclase Feldspar (Sunstone variety)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Smoky Quartz (with inclusions)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz (with complementary stones in jewelry setting)
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
Mineral
Banded Agate
Silicon Dioxide (SiO2)
mineral
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
mineral
Yellow Citrine Quartz
Silicon Dioxide (SiO₂)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Milky Quartz on Matrix
Quartz (Silicon Dioxide, SiO2)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Moonstone
Orthoclase Feldspar (KAlSi3O8)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Garnet (Pyrope or Almandine)
Silicate (X3Y2Si3O12)
mineral
Biotite (Black Mica)
Biotite (K(Mg,Fe++)3AlSi3O10(OH,F)2)
mineral
Citrine or Yellow Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Star Ruby
Corundum (Al2O3 with chromium and rutile inclusions)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral