Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Category
Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Blue Sapphire
Corundum (Al2O3 with trace amounts of iron and titanium)
Labradorite
Labradorite (Plagioclase Feldspar Series - (Ca, Na)(Al, Si)4O8)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
White Zircon
Zircon (Zirconium silicate, ZrSiO4)
Corundum (Ruby Variety)
Corundum (Al2O3)
Hypersthene
Hypersthene (Enstatite variety), (Mg,Fe)SiO3
Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
SiO2 (Silicon Dioxide)
Clear Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
Peach Moonstone Sphere
Potassium Aluminum Silicate (KAlSi3O8)
Blue Calcite
Calcium Carbonate (CaCO3)
Citrine
Silicon Dioxide (SiO2)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Milky or Citrine-tinted)
Silicon Dioxide (SiO2)
Yellow Agate
Agate (Varietal form of Chalcedony/Quartz, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Rough Quartz (likely Rose or Smoky variant)
Silicon Dioxide (SiO2)
White Calcite
Calcium Carbonate (CaCO3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Sunstone
Plagioclase feldspar (with Copper or Hematite inclusions)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO₂)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
Quartz (Milky or Clear fragment)
Silicon Dioxide (SiO2)
Cloudy Quartz / Quartz Tumble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Quartz on Host Rock
Silicon Dioxide (SiO2)
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
Quartz (Citrine variety)
Silicon Dioxide (SiO2)