Citrine Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
Citrine Quartz
Silicon Dioxide (SiO2)
Chalcedony Nodule in Matrix
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Blue Quartz (Blue Aventurine)
Silicon Dioxide (SiO2) with inclusions (typically crocidolite or dumortierite)
Heat-Treated Citrine (Amethyst Cathedral with Agate inclusions)
Silicon Dioxide (SiO2) with iron impurities
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Banded Calcite (often sold as Caribbean Calcite or Pink Calcite)
Calcium Carbonate (CaCO3)
Rose Quartz
Silicon Dioxide (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Quartz Pebble
Silicon dioxide (SiO2)
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Clear Quartz
Crystalline Silicon Dioxide (SiO2)
Gold-bearing Quartz
Native Gold (Au) in Quartz (SiO2) matrix
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Amethyst
Amethyst (Varietal of Quartz), SiO2 with traces of Iron (Fe3+)
Milky Quartz (or Vein Quartz)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Amber
Succinite (fossilized tree resin)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chalcedony (Pink/Gray variety)
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Quartz (Milky Variant)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (likely Herkimer Diamond style)
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Aquamarine (Pale variety)
Beryl (Be3Al2Si6O18)
Pyrite Geode (Sparkling Druzy)
Iron Sulfide (FeS2) in Sedimentary Nodule
Bloodstone
Heliotrope (a variety of Cryptocrystalline Quartz / Jasper, SiO2)
Quartz (Smoky or Clear variety with inclusions)
Silicon Dioxide (SiO2)
Carnelian
SiO2 (Chalcedony with iron oxide impurities)
Native Gold (in Jewelry form)
Gold (Au)
Specular Hematite (Specularite)
Iron Oxide (Fe2O3)