Chert (Flint Nodules)
Cryptocrystalline Quartz (SiO2)
Category
Browse sedimentary (secondary classification: cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Flint Nodules)
Cryptocrystalline Quartz (SiO2)
Chert / Flint
Cryptocrystalline Quartz (SiO2)
Chert (specifically Jasper or Flint)
Cryptocrystalline Quartz (SiO2)
Chert (Jasper variety)
Cryptocrystalline quartz (SiO2)
Chert (Common Variety)
Cryptocrystalline Quartz (SiO2)
Banded Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Chert and Chalcedony
Cryptocrystalline Quartz (SiO2)
Chert (often called Flint)
Cryptocrystalline Quartz (SiO2)
Chert (varietal: Flint Pitted Pebble)
Cryptocrystalline Quartz (SiO2)
Chert / Flint Nodules
Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint)
Cryptocrystalline Quartz (SiO2)
Chert (and Flint)
Cryptocrystalline Quartz (SiO2)
Chert (specifically Jasper or Flint variant)
Cryptocrystalline Quartz (SiO2)
Red Jasper Concretion
Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Cryptocrystalline Quartz (SiO2)
Chert / Flint
Cryptocrystalline Quartz (SiO2)
Flint (or Chert)
Cryptocrystalline Quartz (SiO2)
Banded Chert
Cryptocrystalline Quartz (SiO2)
Carnelian
Chalcedony (SiO2)
Jasper with Quartz inclusions
Silicon Dioxide (SiO2) - Microcrystalline Chalcedony
Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Sandstone with Quartz Vein
Arenite with hydrothermal quartz intrusion
Limonite on Sandstone
Iron Oxyhydroxide (FeO(OH)·nH2O) on Quartz Sandstone
Red Jasper with Quartz veins
Jasper (Silicon Dioxide, SiO2) with macrocrystalline Quartz veins
Quartz with Iron Oxide Stain
Silicon Dioxide (SiO2) with Hematite/Limonite coatings
Yellow Quartz / Quartz Pebble
Silicon Dioxide (SiO2)
Agate (Chalcedony)
Silicon Dioxide (SiO2)
Chert (specifically Jasper or Brown Chert node)
Microcrystalline Quartz (SiO2)
Chalcedony (Tumbled)
Cryptocrystalline Quartz (SiO2)
Banded Agate (Tumbled)
Cryptocrystalline Quartz (SiO2)
Yellow Chalcedony
Cryptocrystalline Quartz (SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Agate (Chalcedony)
Cryptocrystalline Quartz (SiO2)
Geode (Quartz)
Silicon Dioxide (SiO2)
Chalcedony (Yellow Chert / Agate)
Quartz (Silicon Dioxide - SiO2)
Quartz Geode (Cracked Open Fragment)
Silicon Dioxide (SiO2)
Chalcedony
Silicon Dioxide (SiO2)
Quartz Geode (Cracked)
Crystalline Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Yellow Quartzite (or Quartz River Pebble)
Silicon Dioxide (SiO2)
Botryoidal Chalcedony
Chalcedony (SiO2)
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium) - CuAl6(PO4)4(OH)8·4H2O