Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse synthetic glass (man made) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Quartzite
Quartzite (primarily SiO2)
Chert (specifically Gray/Tan Chert Node)
Microcrystalline Quartz (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
Quartz with Chlorite or Hornblende inclusions
Silicon dioxide (SiO2) with phyllosilicate or amphibole inclusions
Chert Pebble
Microcrystalline silica (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Quartzite
Quartzite (primarily SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Chert (varieties include Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chert (varieties: Flint or Jasper)
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Garnet and Quartz
Pyrope or Almandine (Red Garnets) and Quartz (Center Stone)
Quartz (Quartzite or Quartz Pebble)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (mainly SiO2)
Quartz (Water-worn pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Flint nodule)
Silicon dioxide (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Dumortierite Quartz
Dumortierite (Al7BO3(SiO4)3O3 / inclusion in SiO2)
Quartzite with Hematite
Silica (SiO2) with Ferric Oxide (Fe2O3) inclusions
Chalcedony
Chalcedony (SiO2)
Black Jasper
Jasper (Silicon Dioxide, SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO₂)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Quartz / Common Agate
Silicon Dioxide (SiO2)
Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2) / Microcrystalline Quartz
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Jasper
Silicon dioxide (SiO2)
Greenschist / Greenstone
Greenschist facies metabasite
Chert (with Iron Staining)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Agate Geode
Chalcedony (cryptocrystalline SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert Nodule in Limestone
Chert (Microcrystalline Quartz, SiO2) and Limestone (Calcium Carbonate, CaCO3)
Quartzite Pebble
Quartzite (primarily SiO2)
Milky Quartz with Hematite inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Rose Quartz
Silicon dioxide (SiO2) with trace titanium, manganese, or iron