Amethyst (Raw Quartz)
Silicon Dioxide (SiO2) with iron impurities
Category
Browse mineral (specifically a gemstone variety) specimens identified by the Rock Identifier community.
Amethyst (Raw Quartz)
Silicon Dioxide (SiO2) with iron impurities
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
Amethyst
Silicon dioxide (SiO2) with iron impurities
Sunstone
Plagioclase Feldspar ((Ca,Na)(Al,Si)4O8)
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Blue Lace Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Muscovite Mica
Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2
Granodiorite
Granodiorite (Phaneritic intrusive igneous rock containing Plagioclase, Quartz, and Biotite/Amphibole)
Titanium Coated Kyanite (Aura Kyanite)
Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating
Orange Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Citrine Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Quartz (Silica / Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Chalcedony (Agate)
Silicon Dioxide (SiO2)
Jasper
Silicon Dioxide (SiO2) with impurities
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Ocean Jasper
Spherulitic Chalcedony (SiO2)
Opalite
Synthetic Glass (SiO2 + impurities)
Quartz (Milky/Common variety)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Honey Calcite
Calcium Carbonate (CaCO3)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Blue Lace Agate (Variety of Chalcedony)
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO₂)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (or Rock Crystal)
Quartz (SiO₂)