Barite
Barium Sulfate (BaSO4)
Category
Browse mineral (specifically a mineraloid) specimens identified by the Rock Identifier community.
Barite
Barium Sulfate (BaSO4)
Citrine
Citrine (Silicon Dioxide - SiO2)
Rhodonite
Rhodonite (Mn2+SiO3)
Amethyst
Crystalline Quartz (SiO2) with iron impurities
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Garnet
Garnet Group (often Pyrope or Almandine); X3Y2(SiO4)3
Yellow Ocher / Limonite
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
Carnelian
SiO2 (Silicon Dioxide), a variety of Chalcedony
Beryl (Aquamarine)
Beryllium Aluminum Cyclosilicate (Be3Al2Si6O18)
Native Sulfur
Sulfur (S)
Himalayan Pink Salt
Halite (NaCl) with trace minerals (Iron, Magnesium, Potassium)
Cubic Zirconia (Simulated Diamond)
Zirconium dioxide (ZrO2)
Aquamarine
Beryl (Be3Al2Si6O18)
Dyed Agate
Silicon Dioxide (SiO2)
Aragonite
Aragonite (Calcium Carbonate - CaCO3)
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
Hematite
Ferric oxide (Fe2O3)
Hematite
Iron(III) oxide (Fe2O3)
Crazy Lace Agate
Cryptocrystalline Quartz (Silicon Dioxide, SiO2)
Druzy Quartz on Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
SiO2 (Silicon Dioxide)
Larimar
Blue Pectolite (NaCa2Si3O8(OH))
Petrified Wood
Silicified Wood (SiO2 - Silicon Dioxide)
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Quartz (Amethyst variety)
Silicon Dioxide (SiO2)
Carnelian
Carnelian (SiO2 - Chalcedony colored by Iron Oxide)
Quartz (with Iron staining)
Silicon Dioxide (SiO2)
Quartz Mineral
Silicon Dioxide (SiO2)
Agate (Chalcedony)
Silicon Dioxide (SiO2)
Druzy Quartz
Silicon Dioxide (SiO2)
Sunstone
Oligoclase (a variety of Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Peach Moonstone
Potassium Aluminum Silicate, KAlSi3O8
Malachite
Copper Carbonate Hydroxide [Cu2CO3(OH)2]
Charoite
Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O)
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate)
Turquoise
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Amethyst (Raw Quartz)
Silicon Dioxide (SiO2)
Moonstone
Orthoclase feldspar ((K,Na)AlSi3O8)
White Sapphire
Corundum (Al2O3)
Agate with Druzy Quartz
Silicon Dioxide (SiO2)