Rock Identifier

Category

Sedimentary (Cryptocrystalline Silica)

Browse sedimentary (cryptocrystalline silica) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Cryptocrystalline Silica) in the encyclopedia

Quartzite Sandstone

Quartzite Sandstone

Tripolite

Chert

Kambaba Jasper

Tintenbar Opal

Diatomite

Ironstone

Landscape Agate

Landscape Agate

Tube Agate

Sweetwater Agate

Sweetwater Agate

Frost Agate

Coldwater Agate

Chert / Flint Pebble (Microcrystalline quartz (SiO2)) — sedimentary

Chert / Flint Pebble

Microcrystalline quartz (SiO2)

Flint / Chert (Microcrystalline quartz (SiO2)) — sedimentary

Flint / Chert

Microcrystalline quartz (SiO2)

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

Chert (Flint) Artifact

Silicon Dioxide (SiO2)

Flint (Chert) (Silicon dioxide (SiO2) - Cryptocrystalline Quartz) — sedimentary

Flint (Chert)

Silicon dioxide (SiO2) - Cryptocrystalline Quartz

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

Green Chert (Jasper / Flint)

Silicon Dioxide (SiO2)

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

Yellow Jasper (Chert variant)

Silicon Dioxide (SiO2)

Chert (specifically Red Chert/Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Red Chert/Jasper variety)

Silicon Dioxide (SiO2)

Chalcedony in Host Rock (Chalcedony (SiO2)) — mineral

Chalcedony in Host Rock

Chalcedony (SiO2)

Amber Flint (Chert) (Cryptocrystalline Quartz (Silicon Dioxide, SiO2)) — sedimentary

Amber Flint (Chert)

Cryptocrystalline Quartz (Silicon Dioxide, SiO2)

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

Chert (Jasper/Flint variety)

Microcrystalline Silica (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Chert/Flint (Silicon dioxide (SiO2)) — sedimentary

Chert/Flint

Silicon dioxide (SiO2)

Green Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Green Jasper

Microcrystalline Quartz (SiO2)

Agate (Silicon Dioxide (SiO2)) — mineral

Agate

Silicon Dioxide (SiO2)

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

Chert / Jasper

Silicon Dioxide (SiO2)

Red Jasper with Quartz (Microcrystalline Quartz (SiO2) with Hematite inclusions) — sedimentary

Red Jasper with Quartz

Microcrystalline Quartz (SiO2) with Hematite inclusions

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Carnelian Agate (Chalcedony (SiO2) with iron oxide inclusions) — mineral

Carnelian Agate

Chalcedony (SiO2) with iron oxide inclusions

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

Chert (Flint)

Silicon Dioxide (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

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

Chert (varietal Chalcedony or Flint)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Chalcedony (Common Opal variant or Chert/Flint) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Common Opal variant or Chert/Flint)

Silicon Dioxide (SiO2)

Agate Nodule (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate Nodule

Silicon Dioxide (Chalcedony), SiO2

Chert (Nodule) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Nodule)

Silicon Dioxide (SiO2)

Chert (and/or Chalcedony) (Microcrystalline Silica (SiO2)) — sedimentary

Chert (and/or Chalcedony)

Microcrystalline Silica (SiO2)

Chert (Flint) (Chert (SiO2)) — sedimentary

Chert (Flint)

Chert (SiO2)

Chert with Quartz Veins (Microcrystalline silica (SiO2)) — sedimentary

Chert with Quartz Veins

Microcrystalline silica (SiO2)

Nile Agate (Silicon Dioxide (SiO2)) — sedimentary

Nile Agate

Silicon Dioxide (SiO2)

Chalcedony Geode (Botryoidal Agate) (Silicon Dioxide (SiO2)) — mineral

Chalcedony Geode (Botryoidal Agate)

Silicon Dioxide (SiO2)

Chert Nodule (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Nodule

Microcrystalline Quartz (SiO2)

Chert Pebble (Microcrystalline Quartz (SiO2)) — sedimentary

Chert Pebble

Microcrystalline Quartz (SiO2)

Chert (Yellow Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Chert (Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Jasper (Silicon Dioxide (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz, SiO2)

Jasper (Silicon dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper

Silicon dioxide (SiO2) with iron oxide inclusions

Purple Chalcedony (Silicon Dioxide (SiO2)) — mineral

Purple Chalcedony

Silicon Dioxide (SiO2)

Jasper (Silicon Dioxide (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz, SiO2)

Banded Agate (Silicon Dioxide (SiO2)) — sedimentary

Banded Agate

Silicon Dioxide (SiO2)

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

Chert (often called Flint when dark)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Chert (Iron-stained)

Microcrystalline or cryptocrystalline Quartz (SiO2)