Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral / metamorphic
Category
Mineral (Organic Gemstone)
Browse mineral (organic gemstone) specimens identified by the Rock Identifier community.
Red Jasper
Silicon dioxide (SiO2) with hematite impurities
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Jasper Shard / Chert
Silicon dioxide (SiO2)
sedimentary
Rough Emerald (Beryl)
Emerald (Be3Al2(SiO3)6 with Cr/V impurities)
mineral
Black Obsidian with white veins
Volcanic Glass (70–75% SiO2)
igneous
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Synthetic Glass (Man-made)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Hypersthene
Hypersthene ((Mg,Fe)SiO₃)
Mineral
Red Jasper
Silicon dioxide with hematite impurities (SiO2 + Fe2O3)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Pink Rhodonite
Manganese Silicate (MnSiO3)
mineral
Larimar
Pectolite (NaCa2Si3O8(OH))
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)
mineral
Turquoise
Hydrated phosphate of copper and aluminum; CuAl6(PO4)4(OH)8·4H2O
mineral
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Fluorite (Rainbow Fluorite)
Fluorite (Calcium Fluoride, CaF2)
mineral
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Amethyst
SiO2 (Silicon Dioxide with iron impurities)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Agate (Polished Nodule)
Agate (Silicon Dioxide, SiO2)
mineral
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Massive Quartz (Yellow/Citrine variety)
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Mineral
Garnet
Almandine formula: Fe3Al2(SiO4)3
mineral
Diamond
Native Carbon (C)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Smoky Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Rose Quartz
Silicon Dioxide with traces of Titanium, Iron, or Manganese (SiO2)
mineral
Clear/White Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
mineral
Red Hematite (Iron Ore)
Hematite (Fe2O3)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
mineral
Hypersthene
Hypersthene (Enstatite variety), (Mg,Fe)SiO3
Mineral