Quartz
Silicon Dioxide (SiO2)
Category
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Red Garnet
Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
White Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Microcline Feldspar
KAlSi3O8
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine [Fe3Al2(SiO4)3]
Milky Quartz
Silicon Dioxide (SiO2)
Iron-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Labradorite
Plagioclase Feldspar ((Ca, Na)(Al, Si)4O8)
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Sunstone
Aventurine Feldspar (Plagioclase or Oligoclase)
Dumortierite Quartz
Al7BO3(SiO4)3O3 (Aluminum borate silicate)
Potassium Feldspar
Orthoclase (KAlSi3O8)
Milky Quartz
Silicon Dioxide (SiO2)
Schist (Chlorite or Mica-rich)
Chlorite Schist
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Biotite Mica
K(Mg, Fe)3AlSi3O10(F, OH)2
Labradorite
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
Smoky Quartz
SiO2 (Silicon Dioxide)
Sapphire (Raw/Rough)
Corundum (Al2O3)
Rough Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Pink Sapphire
Corundum (Al2O3 with Chromium/Titanium/Iron traces)
Banded Gneiss
Gneiss
Gneiss
Gneiss
Quartz
Silicon Dioxide (SiO2)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Cloud Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Epidote (Unakite component) / Green Quartzite
Ca2(Al,Fe)3(SiO4)3(OH)
Quartz (River Pebble)
Quartz (Silicon Dioxide - SiO2)
Chiastolite
Andalusite variety Chiastolite