Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Category
Browse man made silicate (anthropogenic glass) specimens identified by the Rock Identifier community.
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
Pink Chalcedony
Silicon Dioxide (SiO2)
Milky Quartz with Mineral Inclusions
Silicon Dioxide (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz / Greenish Quartz)
SiO2 (Silicon Dioxide)
Quartz Vein in Sandstone
Sandstone with Hydrothermal Quartz (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite
Red Jasper
Silicon dioxide (SiO2) with iron oxide impurities
Granodiorite
Granodiorite
Petrified Wood
Silicified Wood (primarily SiO2)
Granite (specifically Rapakivi Granite)
Phaneritic Felsic Igneous Rock (Granite)
Quartz (Milky Quartz pebble)
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
Quartz (Microcrystalline/Macro crystalline variety)
Silicon Dioxide (SiO2)
Quartz / Rock Crystal
Silicon Dioxide (SiO2)
White Quartz Pebbles
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO₂)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Clear Quartz (Crystal Quartz)
Silicon Dioxide (SiO2)
Dream Amethyst (Chevron Amethyst)
Silicon Dioxide with inclusions (SiO2)
Emerald
Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium
Blue Sapphire (faceted in jewelry)
Corundum (Al2O3)
Rose Quartz
Silicon dioxide (SiO2)
Jasper Conglomerate
Jasperoid Conglomerate (predominantly SiO2 with iron oxide impurities)
Granodiorite
Phaneritic intrusive igneous rock (Granodiorite)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rose Quartz with Hematite inclusions
Silicon Dioxide (SiO2) with Fe2O3 inclusions
Agate (Moss or Dendritic Agate)
Chalcedony (Silicon Dioxide, SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
Rose Quartz
Quartz (Silicon Dioxide) - SiO2
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)