Rock Identifier

Category

Sedimentary Rock (Cryptocrystalline Quartz)

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

Learn about Sedimentary Rock (Cryptocrystalline Quartz) in the encyclopedia

Quartz Schist

Clear Quartz

Tourmalinated Quartz

Tourmalinated Quartz

Rutilated Quartz

Rutilated Quartz

Rock Gypsum

Quartz Arenite

Milky Quartz

Smoky Quartz

Scepter Quartz

Spirit Quartz

Lemon Quartz

Tangerine Quartz

Tangerine Quartz

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

Chert (Iron-stained)

Microcrystalline Quartz (SiO2)

Yellow Jasper (Jasper (Silicon Dioxide, SiO2 with iron inclusions)) — sedimentary

Yellow Jasper

Jasper (Silicon Dioxide, SiO2 with iron inclusions)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Chert (often called Flint or Jasper depending on color) (Chert (SiO2 - Microcrystalline or Cryptocrystalline Quartz)) — sedimentary

Chert (often called Flint or Jasper depending on color)

Chert (SiO2 - Microcrystalline or Cryptocrystalline Quartz)

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

Chert (or Flint)

Microcrystalline Quartz (SiO2)

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

Chert (Jasper/Flint variety)

Silicon Dioxide (SiO2)

Common Opal / Chert (Hydrated silica (SiO2·nH2O) or Microcrystalline Quartz (SiO2)) — mineral

Common Opal / Chert

Hydrated silica (SiO2·nH2O) or Microcrystalline Quartz (SiO2)

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

Chert (Common Opal/Jasper variety)

Microcrystalline Quartz (SiO2)

Flint / Chert Nodules in Limestone (Cryptocrystalline Quartz (SiO2) within Carbonate Rock) — sedimentary

Flint / Chert Nodules in Limestone

Cryptocrystalline Quartz (SiO2) within Carbonate Rock

Dark flint or chert fragment (Microcrystalline quartz (SiO₂), commonly called flint when dark and nodular) — sedimentary

Dark flint or chert fragment

Microcrystalline quartz (SiO₂), commonly called flint when dark and nodular

Red Jasper (or Agate/Jasper mixture) (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Red Jasper (or Agate/Jasper mixture)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Chert (varieties include Flint or Jasper) (Chert (cryptocrystalline quartz; SiO₂)) — Sedimentary

Chert (varieties include Flint or Jasper)

Chert (cryptocrystalline quartz; SiO₂)

Chert (Holey Stone) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Holey Stone)

Microcrystalline Quartz (SiO2)

Chert (or Fossiliferous Limestone) (Microcrystalline Quartz (SiO2) / Calcium Carbonate (CaCO3)) — sedimentary

Chert (or Fossiliferous Limestone)

Microcrystalline Quartz (SiO2) / Calcium Carbonate (CaCO3)

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

Chert (Flint)

Chert (SiO2)

Chert (or Carnelian Agate) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (or Carnelian Agate)

Microcrystalline Quartz (SiO2)

Chert (Yellow or Ochre Jasper variant) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Yellow or Ochre Jasper variant)

Microcrystalline Quartz (SiO2)

Quartz Pebble (Chalcedony / Agate) (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble (Chalcedony / Agate)

Silicon Dioxide (SiO2)

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

Chert / Jasper

Microcrystalline Quartz (SiO2)

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

Red Jasper with Quartz

Microcrystalline Quartz (SiO2)

River Pebble (Sandstone / Quartzite) (Sedimentary rock (Quartz arenite / Quartzite pebble)) — sedimentary

River Pebble (Sandstone / Quartzite)

Sedimentary rock (Quartz arenite / Quartzite pebble)

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

Jasper / Flint / Chert

Microcrystalline Quartz (SiO2)

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

Chert (River Pebble)

Microcrystalline Quartz (SiO2)

Chert Nodules (Limonitic Chert) (Cryptocrystalline Quartz (SiO2) with Hydrated Iron Oxides) — sedimentary

Chert Nodules (Limonitic Chert)

Cryptocrystalline Quartz (SiO2) with Hydrated Iron Oxides

Chert (with Manganese Oxide coating) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (with Manganese Oxide coating)

Microcrystalline Quartz (SiO2)

Red jasper or iron-rich quartz/chalcedony (Microcrystalline quartz, SiO₂, colored mainly by hematite/goethite inclusions) — mineral

Red jasper or iron-rich quartz/chalcedony

Microcrystalline quartz, SiO₂, colored mainly by hematite/goethite inclusions

Jasper / Quartz Pebble (Silicon dioxide (SiO2) microcrystalline quartz) — sedimentary

Jasper / Quartz Pebble

Silicon dioxide (SiO2) microcrystalline quartz

Polished brown jasper pebble with a quartz vein (Jasper (microcrystalline quartz, SiO₂), traversed by quartz or chalcedony) — mineral

Polished brown jasper pebble with a quartz vein

Jasper (microcrystalline quartz, SiO₂), traversed by quartz or chalcedony

Limestone with Iron Oxide Staining (Sedimentary Rock (Calcite, CaCO3)) — sedimentary

Limestone with Iron Oxide Staining

Sedimentary Rock (Calcite, CaCO3)

Chert (with Liesegang Banding) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (with Liesegang Banding)

Microcrystalline quartz (SiO2)

Jasper and Quartz Pebble (Silicon dioxide (SiO2) microcrystalline quartz) — sedimentary

Jasper and Quartz Pebble

Silicon dioxide (SiO2) microcrystalline quartz

River Pebbles (White Quartz and Basalt mix) (Mixed Clastic Sedimentary Assemblage (SiO2 and Mafic Volcanics)) — sedimentary

River Pebbles (White Quartz and Basalt mix)

Mixed Clastic Sedimentary Assemblage (SiO2 and Mafic Volcanics)

Chert (Silicon dioxide (SiO2)) — sedimentary

Chert

Silicon dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Agate (specifically Carnelian Agate or Lake Superior style Agate) (Silicon Dioxide (SiO2) - Cryptocrystalline Quartz) — mineral

Agate (specifically Carnelian Agate or Lake Superior style Agate)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

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

Chert/Flint Nodule

Microcrystalline Quartz (SiO2)

Chert (and/or Siltstone River Pebble) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (and/or Siltstone River Pebble)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

River Stone (Chert/Siltstone) (Cryptocrystalline Quartz (SiO2) with trace impurities) — sedimentary

River Stone (Chert/Siltstone)

Cryptocrystalline Quartz (SiO2) with trace impurities

Yellow Jasper (Cryptocrystalline quartz (SiO2) with iron inclusions) — sedimentary

Yellow Jasper

Cryptocrystalline quartz (SiO2) with iron inclusions

Jasper (Microcrystalline Quartz (SiO2) with iron oxide impurities) — sedimentary

Jasper

Microcrystalline Quartz (SiO2) with iron oxide impurities

Chert (or Chalcedony) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (or Chalcedony)

Microcrystalline Quartz (SiO2)

Chert (concretionary/nodular variant) (Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions) — sedimentary

Chert (concretionary/nodular variant)

Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions