Quartzite
Quartzite (primarily SiO2)
Category
Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (primarily SiO2)
Quartz Pebble (with Manganese dendrites/staining)
Silicon Dioxide (SiO2) with Manganese Oxide impurities
Quartz Pebble
Silicon Dioxide (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Quartz (Beach Pebble)
Silicon Dioxide (SiO2)
Raw Diamond (Rough Uncut)
Diamond (C - pure carbon)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartz (Water-worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Red Sandstone
Arenite
Milky Quartz with Matrix
Quartz (Silicon Dioxide, SiO2)
Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Granular Milky Quartz fragment)
Silicon Dioxide (SiO2)
Lepidolite on Matrix
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite with Iron Inclusions
Quartzite (primarily SiO2 with Fe2O3 impurities)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Carved Dragon)
Quartz (Silicon Dioxide, SiO2)
Amethyst
Amethyst (Silicon Dioxide - SiO2 with iron impurities)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Iron Oxide inclusions (Fe2O3)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Limonite/Goethite staining)
Fluorite (Purple/Blue variety)
Calcium Fluoride (CaF2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Quartz (Riverstone / Cobble)
Silicon Dioxide (SiO2)
Quartz in Matrix (possibly Basalt or Siltstone host)
Silicon Dioxide (SiO2) in Host Rock
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz with inclusions (likely Tourmaline or Biotite)
Silicon Dioxide (SiO2)