Clear Quartz Cluster
Silicon Dioxide (SiO2)
Category
Browse man made silicate (anthropogenic glass) specimens identified by the Rock Identifier community.
Clear Quartz Cluster
Silicon Dioxide (SiO2)
Olivine (Peridot in gem form)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Chert (Arrowhead/Tool variety)
Microcrystalline Quartz (SiO2)
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Quartz
Quartz (Silicon Dioxide - SiO2)
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Nephrite Jade
Tremolite-Actinolite solid solution Ca2(Mg,Fe)5Si8O22(OH)2
Peridot
Olivine (Magnesium Iron Silicate), (Mg, Fe)2SiO4
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartzite River Pebble
Quartzite (primarily Silicon Dioxide, SiO2)
Olivine (Peridot when gem-quality)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Quartzite
Quartzite (mostly SiO2)
Quartzite
Quartzite
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Sandstone (Quartzite-rich Cobble)
Clastic sedimentary rock (primarily SiO2)
Quartzite (River Pebble)
Metamorphosed Quartz-rich Sandstone (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2 principal component)
Olivine (Peridotite)
Magnesium iron silicate (Mg, Fe)2SiO4
Quartzite
Quartzite (primarily SiO2)
Quartz (Milky/Gold-stained)
Silicon Dioxide (SiO2)
Limestone
CaCO3 (Mainly Calcite or Aragonite)
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2 silicon dioxide)
Quartzite
Quartzite (SiO2)
Quartz Pebble (Chalcedony/Agate)
Silicon Dioxide (SiO2)
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Jasper with Quartz inclusion
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartzite
Quartzite (primarily SiO2)
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Quartzite
Quartzite (SiO2)
Chert (often called Flint)
Chert (Cryptocrystalline Silica, SiO2)
Quartzite
Hydrothermal Quartz or Quartzite (SiO2)
Sandstone
Arenite (primarily SiO2)