Agate (Moss or Plume Agate variety)
Silicon Dioxide (SiO2)
Category
Browse man made glass specimens identified by the Rock Identifier community.
Agate (Moss or Plume Agate variety)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Rose Quartz
Silicon dioxide (SiO2)
Citrine
Silicon dioxide (SiO2)
Smoky Quartz with Inclusions
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Green Fluorite
Calcium Fluoride (CaF2)
Citrine
Silicon Dioxide (SiO2) with trace Iron
Fluorite
Calcium fluoride (CaF2)
Fluorite (Purple Octahedron)
Calcium Fluoride (CaF2)
Olivine in Basalt (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4 in Vesicular Basalt
Chert (Yellow Jasper variant)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Purple Jasper
Silica-rich Microcrystalline Quartz (SiO2)
Chert (Chalcedony)
Microcrystalline quartz (SiO2)
Amethyst (Druze)
Silicon Dioxide (SiO2) with iron impurities
Banded Chert (Agate-like Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Raw Diamond
Diamond (pure Carbon, C)
Tree Agate
Silicon Dioxide with Chlorite inclusions (SiO2)
Dendritic Agate
Silicon Dioxide with Manganese/Iron oxide inclusions (SiO2)
Orange Quartz (Citrine Quartz variety)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Pallasite Meteorite (likely Imilac or Brenham)
Stony-Iron Meteorite (Pallasite)
Chert (Nodular Chert)
Microcrystalline Quartz (SiO2)
Peridot (Olivine)
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Sandstone (River Cobble)
Clastic sedimentary rock (primarily SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite Pebble
Quartzite (SiO2)
Quartzite (Lithic Artifact)
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Ferruginous Quartzite (Iron-stained Quartzite)
Quartzite with Iron oxides (FeO(OH) / Fe2O3)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Chert (Smooth River Stone)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Banded Agate (specifically Gobi Eyes or Eye Agate)
Silicon Dioxide (SiO2) - Variety of Chalcedony
Yellow Quartz
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Fancy Jasper
Silicon dioxide (SiO2)
Citrine (likely Heat-Treated Amethyst)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Smoky Quartz with Hematite Inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions