Yellow Jasper
Silicon Dioxide (SiO2) - Impure Cryptocrystalline Quartz
Category
Browse mineral (cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Yellow Jasper
Silicon Dioxide (SiO2) - Impure Cryptocrystalline Quartz
Chert (and Flint)
Silicon dioxide (SiO2) - Microcrystalline or Cryptocrystalline Quartz
Chert
Siliceous sedimentary rock (predominantly microcrystalline quartz, SiO2)
Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Disulfide (FeS2)
Chert (and Jasper blend)
Chert (Microcrystalline Quartz, SiO2)
Red Chert (Jasper)
Chert / Microcrystalline Quartz (SiO2)
Rutilated Quartz (or Tourmalinated Quartz if inclusions are Tourmaline)
Silicon Dioxide (SiO2) with Rutile (TiO2) or Tourmaline inclusions
Chert (Tan/Grey)
Chert (Silicon Dioxide, SiO2)
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Rutilated Quartz
SiO2 with TiO2 inclusions (Quartz with Rutile)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz / Rose Quartz fragment
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milk Quartz (Vein Quartz)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Ocean Jasper
Silicon Dioxide (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (specifically White Chert or Novaculite)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (and/or Siltstone River Pebble)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Grey Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartz (specifically Clear and Rose Quartz)
Silicon Dioxide (SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline silica (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions (Limonite/Goethite)
Fancy Jasper (Agate/Chert mix)
Silicon Dioxide (SiO2) with impurities
Quartz Vein in Siltstone
SiO2 (Quartz) on clastic sedimentary matrix
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Quartz Vein with Iron Staining
Silicon Dioxide (SiO2)
Quartz (Variety of Rough Mineral Specimens)
Silicon Dioxide (SiO2)
Botryoidal Chalcedony with Calcite
Chalcedony (SiO2 with accessory minerals, likely CaCO3)
Chert (Iron-rich)
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
Fluorite with Quartz coating
Calcium Fluoride (CaF2) with Silicon Dioxide (SiO2)
Milky Quartz with Chlorite inclusions
Silicon Dioxide (SiO2) with Chlorite group minerals
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)