Rock Identifier

Category

Mineral Or Sedimentary (If Chert)

Browse mineral or sedimentary (if chert) specimens identified by the Rock Identifier community.

Chert (Chalcedony/Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Chalcedony/Jasper)

Microcrystalline Quartz (SiO2)

Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Chert (Flint Nodules) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint Nodules)

Microcrystalline Quartz (SiO2)

Mookaite Jasper (Silicified Porcellanite (SiO2 with impurities)) — sedimentary

Mookaite Jasper

Silicified Porcellanite (SiO2 with impurities)

Chert (Iron-stained or Dark) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained or Dark)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Jasper/Flint variety) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Banded Chert (Flint) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Banded Chert (Flint)

Cryptocrystalline Quartz (SiO2)

Chert (often called Flint or Jasper) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint or Jasper)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Jasper nodule) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Jasper nodule)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Fossiliferous Chert (with Fossil Shells) (Silicon Dioxide (SiO2) with biogenic inclusions) — sedimentary

Fossiliferous Chert (with Fossil Shells)

Silicon Dioxide (SiO2) with biogenic inclusions

Chert (Yellow Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Yellow Jasper)

Silicon Dioxide (SiO2)

Chert (River Pebble) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (River Pebble)

Microcrystalline Quartz (SiO2)

Chert (Flint Nodules) (Chert (Cryptocrystalline variety of Quartz, SiO2)) — sedimentary

Chert (Flint Nodules)

Chert (Cryptocrystalline variety of Quartz, SiO2)

Chert (specifically Flint or Chalcedony nodule) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Flint or Chalcedony nodule)

Microcrystalline Quartz (SiO2)

Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Chert (Jasper/Flint variety) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (varietal Chalcedony or Flint) (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (varietal Chalcedony or Flint)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Chert (Jasper/Flint variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)

Chert (Polished Gemstone / River Stone) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Polished Gemstone / River Stone)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Iron-rich) (Silicon Dioxide (SiO2) with Hematite (Fe2O3)) — sedimentary

Chert (Iron-rich)

Silicon Dioxide (SiO2) with Hematite (Fe2O3)

Chert (Chalk-associated Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Chalk-associated Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (and Flint variant) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (and Flint variant)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert (Jasper/Flint variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Chert (variant Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (variant Flint)

Silicon Dioxide (SiO2)

Chert (Jasper/Flint variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Chert (Jasper-rich) (Silicon dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Jasper-rich)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Pink Chert (Brecciated Jasmine/Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Pink Chert (Brecciated Jasmine/Jasper)

Silicon Dioxide (SiO2)

Chert (Jasper/Flint variety) (Microcrystalline silicon dioxide (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline silicon dioxide (SiO2)

Chert (Iron-Stained) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Iron-Stained)

Silicon Dioxide (SiO2)

Banded Chert (River Cobble) (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert (River Cobble)

Microcrystalline Quartz (SiO2)

Chert (Smooth River Pebble) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Smooth River Pebble)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert Pebble / Brachiopod Fossil Internal Mold (Silicon Dioxide (SiO2) / Fossil: Brachiopoda (generic internal mold)) — sedimentary

Chert Pebble / Brachiopod Fossil Internal Mold

Silicon Dioxide (SiO2) / Fossil: Brachiopoda (generic internal mold)

Brachiopod Fossil in Chert (Phylum Brachiopoda within Microcrystalline Quartz (SiO2)) — sedimentary

Brachiopod Fossil in Chert

Phylum Brachiopoda within Microcrystalline Quartz (SiO2)

River Jasper (Chert/Chalcedony mix) (Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions) — sedimentary

River Jasper (Chert/Chalcedony mix)

Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions

Chert (Common Opal/Jasper variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Common Opal/Jasper variety)

Microcrystalline Quartz (SiO2)

Flint (Chert (a form of cryptocrystalline quartz, chemical formula SiO₂)) — Mineral

Flint

Chert (a form of cryptocrystalline quartz, chemical formula SiO₂)

Chert (specifically Jasper or Brown Chert node) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Jasper or Brown Chert node)

Microcrystalline Quartz (SiO2)

Chert (specifically Blue or Grey Chert/Flint) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Blue or Grey Chert/Flint)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert (specifically Yellow or Brown Chert / Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Yellow or Brown Chert / Jasper)

Silicon Dioxide (SiO2)

Yellow Chalcedony (common opal or chert variant) (Silicon Dioxide (SiO2)) — sedimentary (mineraloid/microcrystalline quartz)

Yellow Chalcedony (common opal or chert variant)

Silicon Dioxide (SiO2)

sedimentary (mineraloid/microcrystalline quartz)

Fuchsite Quartzite (Fuchsite-bearing Quartzite) — Metamorphic

Fuchsite Quartzite

Fuchsite-bearing Quartzite

Chert Arrowhead (Projectile Point) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Arrowhead (Projectile Point)

Microcrystalline Quartz (SiO2)