Sandstone (Quartzose)
Arenite (primarily SiO2)
Category
Browse mineral (man made glass) specimens identified by the Rock Identifier community.
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2 with trace Fe2O3)
Rose Quartz
SiO2 (Silicon Dioxide)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Strawberry Quartz
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Citrine Quartz Sphere
Silicon Dioxide (SiO2)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Aquamarine (Rough)
Beryl (Be3Al2Si6O18)
Fluorite (Purple/Blue variety)
Calcium Fluoride (CaF2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)
Clear Quartz (Rock Crystal Fragments)
Silicon Dioxide (SiO2)
Quartz Druze (on Matrix)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Raw Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Pink Granite
Granite (Phaneritic igneous rock composed mainly of quartz, alkali feldspar, and plagioclase)
Hematoid Quartz
Ferruginous Quartz (SiO2 with Fe2O3 inclusions)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz (Small fragments)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Black Obsidian
Volcanic Glass (SiO2 + impurities like Fe3O4)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Quartz (Common Quartz Pebble)
Silicon Dioxide (SiO2)
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety with inclusion)
Silicon Dioxide (SiO2)
Quartz (Quartzite fragment)
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)