Quartzite
Quartzite (primarily SiO2)
Category
Browse granite specimens identified by the Rock Identifier community.
Quartzite
Quartzite (primarily SiO2)
Quartzite
SiO2 (Silicon Dioxide)
Schist
Mica Schist (Quartz-Muscovite-Biotite Schist)
Quartzite (Iron-stained)
Quartzite (mostly SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (composed primarily of SiO2)
Schist
Mica Schist
Quartzite
Quartzite (SiO2)
Schist
Crystalline Metamorphic Rock (Schistose)
Schist (Biotite/Mica Schist)
Medium-grade regional metamorphic rock (rich in Phyllosilicates)
Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine)
Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)
Slag (Industrial Glass)
Artificial Vitreous Silicate
Quartzite
Quartzite (SiO2)
Sandstone (Quartzose type)
Arenite (primarily SiO2)
Pink Quartzite
Quartzite (High-silica metamorphic rock)
Quartzite
Quartzite (primarily SiO2)
White Quartzite
Quartzite (primarily SiO2 - Silicon Dioxide)
Peridotite (Olivine/Peridot)
Peridotite (comprising (Mg,Fe)2SiO4)
Graphite
Graphite (Carbon, C)
Graphite
Graphite (Native Carbon, C)
Graphite
Graphite (Chemical Formula: C)
Graphite
Graphite (Carbon, C)
Graphite
Graphite (Native Carbon), Formula: C
Black Kyanite
Aluminum Silicate (Al2SiO5)
Quartzite
Quartzite (primarily SiO2)
Pink Quartzite
Quartzite (primarily SiO2)
Quartzite (Milky)
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite (Iron-stained)
Quartzite (SiO2)
Mica Schist
Schist (primarily Muscovite and Biotite mica)
Mica Schist
Mica Schist (Quartz-Biotit-Muscovite Schist)
Schist
Chlorite-Mica Schist
Graphite
Graphite (Native Carbon, C)
Graphite
Graphite (Native Carbon, C)
Diamond
Native Carbon (C)
Quartzite
Quartzite (chiefly SiO2)
Anthracite Coal
Anthracite (Carbon ≥ 86%)
Schist
Schist (metamorphic rock)
Quartzite
Quartzite (SiO2-dominant rock)
Schist (specifically Mica Schist)
Mica Schist (primarily composed of Muscovite KAl2(AlSi3O10)(OH)2 and Biotite)