Quartzite
Quartzite (SiO2)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (SiO2)
Quartzite (River Stone)
Quartzite (predominantly SiO2)
Milky Quartz (Ferruginous variety)
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (a rock composed predominantly of serpentine group minerals)
Gneiss
Gneiss (High-grade metamorphic rock)
Emerald in Matrix
Emerald (variety of Beryl) - Be3Al2(SiO3)6
Quartzite Pebble
Quartzite (SiO2)
Granite
Granite
Gneiss
Foliated Metamorphic Rock (Gneiss)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Pink Granite
Phaneritic Plutonic Felsic Rock (Granite)
Quartzite Pebble
Quartzite (composed primarily of SiO2)
Jasper with Quartz inclusions
Silicon Dioxide (SiO2) with impurities
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2
Green Aventurine
Silicon dioxide (SiO2) with Fuchsite inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Gneiss
Gneiss
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3(Si, Al, Fe)2O5(OH)4
Mineral and Rock Collection (Assorted)
Mixed collection including Quartz (SiO2), Jasper (SiO2 with impurities), Rose Quartz, and Aventurine
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
River Pebble (Quartzite/Chert)
Quartzite with inclusions (SiO2)
Quartzite River Rock
Quartzite (SiO2)
Orthoclase Feldspar (Salmon variety)
Orthoclase, KAlSi3O8
Quartz (Milky/Rose Quartz variety)
Silicon Dioxide (SiO2)
Epidote with Feldspar/Quartz (Unakite-like)
Epidotized Granite (Ca2(Al,Fe)3(SiO4)3(OH) + KAlSi3O8)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Chert (Chert / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Yellow Quartz (Citrine/Lemon Quartz)
Silicon Dioxide (SiO2)
Quartzite (Yellow/Tan Quartz Cobble)
Metamorphosed Quartz Sandstone (SiO2)
Feldspar-rich Quartzite
Meta-arkose (Quartz-Feldspar Quartzite)
Rutilated Quartz
Quartz (SiO2) with Rutile (TiO2) inclusions
Quartz Pebble (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
Unakite
Epidotized Granite
River Quartz / Quartzite Pebbles
Quartzite (primarily Silicon Dioxide, SiO2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)