Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Category
Browse mineral (gemstone variety of beryl) specimens identified by the Rock Identifier community.
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Labradorite (Dark or Black variety)
Labradorite (member of Plagioclase Feldspar group), (Na,Ca)(Si,Al)4O8
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Sunstone
Feldspar (variety Oligoclase or Labradorite), (Ca,Na)(Al,Si)4O8
Quartz
Silicon Dioxide (SiO2)
Common Opal with Host Rock
Opal (Hydrated silica, SiO2·nH2O)
Brown chalcedony (likely carnelian/iron-stained quartz)
Microcrystalline quartz, SiO₂; brown coloration from iron oxides/hydroxides
Carnelian
SiO2 (Quartz variety)
Amazonite
Amazonite (KAlSi3O8 - a variety of Microcline Feldspar)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO₂)
Quartz
Silicon Dioxide (SiO2)
Red Jasper
Jasper (SiO2 with Fe2O3 inclusions)
Yellow Quartz
Silicon Dioxide (SiO2)
Quartz (Raw Crystal)
Silicon Dioxide (SiO2)
Tumbled rose quartz
Quartz, silicon dioxide (SiO₂), pink variety
Hypersthene
Hypersthene (Enstatite variety), (Mg,Fe)SiO3
Quartz (Milky/Clear Variety)
Silicon Dioxide (SiO2)
Milky Quartz (Tumbled)
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Banded Agate Geode (with Microcrystalline Quartz)
Silicon Dioxide (SiO2) - variety Chalcedony/Agate
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (SiO2)
Chalcedony (Tumbled)
Cryptocrystalline Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Carnelian
Carnelian (SiO2 - Silicon Dioxide)
Honey Calcite
Calcium Carbonate (CaCO3)
Yellow Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
Tanzanite
Blue/Violet Variety of Zoisite (Ca2Al3(SiO4)3(OH))
Quartz
Silicon Dioxide (SiO2)
Serpentine
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Amethyst (Quartz variety)
Amethyst - SiO2 (Silicon Dioxide with Iron impurities)
Rainbow Moonstone (White Labradorite)
Labradorite (White varieties with Schiller effect), (Na,Ca)(Al,Si)4O8
Ruby (varietal of Corundum)
Corundum (Al2O3:Cr)