Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Ruby (faceted)
Corundum (Al2O3 with chromium traces)
Milky Quartz
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Rose variety)
Silicon Dioxide (SiO2)
Larimar
Pectolite (NaCa2Si3O8(OH))
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Pearl
Calcium carbonate (CaCO3) - Aragonite/Calcite variety
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Chalcedony
Chalcedony (Silicon Dioxide, SiO2)
Yellow Jasper
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate Hydroxide - NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH
Chert (Jasper)
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (Quartz variety), SiO2
Citrine
Silicon Dioxide (Quartz variety), SiO2
Citrine
Silicon Dioxide (Quartz variety), SiO2
Lake Superior Agate
Silicon dioxide (SiO2) - variety of Chalcedony
Lake Superior Agate
Silicon Dioxide (SiO2) - Variety Agate
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Tumbled amethyst
Quartz, crystalline silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Blue Zircon
Zircon (Zirconium Silicate, ZrSiO4)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Clear to Smokey)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Red Jasper
SiO2 (Silicon Dioxide with Iron Oxide impurities)
Amethyst
Silicon dioxide (Quartz variety), SiO2
Amethyst
Silicon Dioxide (Quartz variety), SiO2
Amethyst (Pale/Raw Crystal)
Silicon dioxide with iron impurities (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide impurities
Larimar (Pectolite)
NaCa2Si3O10(OH) (Sodium Calcium Silicate Hydroxide)
Milky Quartz
Silicon Dioxide (SiO2)