Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Found In Igneous And Metamorphic Rocks)
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
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Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Yellow Quartz (Citrine or Yellow Jasper)
Silicon Dioxide (SiO2) with iron impurities
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Green Quartz (Prasiolite variant or Aventurine)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Orange Calcite
Calcite (CaCO3)
Mineral
Pyrite (locally known as Fool's Gold)
Iron Sulfide (FeS2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartz Pebble (Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Tumbled Moonstone
Feldspar (Orthoclase/Albite), KAlSi3O8
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Black Tourmaline
Schorl (Na(Fe²⁺)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄)
Mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Biotite (Black Mica)
Biotite - K(Mg,Fe)3(AlSi3O10)(OH)2
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-Stained or Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with ferric iron impurities
mineral
Moonstone
Orthoclase and Albite (KAlSi3O8 / NaAlSi3O8)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Green Aventurine (Carved)
Silicon Dioxide (Quartz variant) with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O(OH)2)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Tumbled Moonstone and Amazonite Chips
Orthoclase (KAlSi3O8) and Microcline (KAlSi3O8) of the Feldspar Group
mineral
Milky quartz (rough crystal)
Quartz, silicon dioxide (SiO₂)
mineral
Sunstone and Garnet
Plagioclase Feldspar ((Na,Ca)(Al,Si)4O8) and Almandine Garnet (Fe3Al2(SiO4)3)
gemstone
Hypersthene
(Mg,Fe)SiO3 - Enstatite-Ferrosilite series
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Pink and Green Tourmaline (Tumbled)
Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
mineral
Quartz (Amethyst variety)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Polished Hematite Tower
Hematite (Fe2O3)
mineral
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral