Rock Identifier

Category

Sedimentary Rock (Specifically A Chemical Sedimentary Rock, Or A Chert If Considered Purely Mineral Aggregate)

Browse sedimentary rock (specifically a chemical sedimentary rock, or a chert if considered purely mineral aggregate) specimens identified by the Rock Identifier community.

Almandine Garnet in Schist (Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist) — metamorphic

Almandine Garnet in Schist

Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Goethite (Iron Ore) (Goethite (FeO(OH))) — mineral

Goethite (Iron Ore)

Goethite (FeO(OH))

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Garnet Schist (Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist) — metamorphic

Garnet Schist

Almandine Garnet (Fe3Al2(SiO4)3) in Mica Schist

Schist (Chlorite/Mica Schist) — metamorphic

Schist

Chlorite/Mica Schist

Red Sandstone (Arenite (primarily Quartz and Iron Oxide)) — sedimentary

Red Sandstone

Arenite (primarily Quartz and Iron Oxide)

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (with Feldspathic/Arkose qualities) (Arenite (primarily SiO2 with KAlSi3O8 components)) — sedimentary

Sandstone (with Feldspathic/Arkose qualities)

Arenite (primarily SiO2 with KAlSi3O8 components)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Ferruginous) (Arenite (Fe-rich SiO2)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe-rich SiO2)

Sandstone (with banding/weathering) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (with banding/weathering)

Clastic Sedimentary Rock (primarily SiO2)

Red Sandstone (Arenite (with Iron Oxide cement)) — sedimentary

Red Sandstone

Arenite (with Iron Oxide cement)

Conglomerate (or Breccia) (Clastic Sedimentary Rock (Conglomeratic)) — sedimentary

Conglomerate (or Breccia)

Clastic Sedimentary Rock (Conglomeratic)

Sandstone (Quartzose Sandstone) (Arenite (SiO2)) — sedimentary

Sandstone (Quartzose Sandstone)

Arenite (SiO2)

Quartz (Milky or Clear variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Clear variety)

Silicon Dioxide (SiO2)

Sandstone (Pebble) (Clastic sedimentary rock (SiO2 primary)) — sedimentary

Sandstone (Pebble)

Clastic sedimentary rock (SiO2 primary)

Sandstone (Ferruginous) (Arenite (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Sandstone (Graywacke type) (Clastic Sedimentary Rock (Lithic Sandstone)) — sedimentary

Sandstone (Graywacke type)

Clastic Sedimentary Rock (Lithic Sandstone)

Clear Quartz (Silicon Dioxide (SiO2) / Rock Crystal) — mineral

Clear Quartz

Silicon Dioxide (SiO2) / Rock Crystal

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Gneiss (High-grade Metamorphic Rock) (Gneiss (Metamorphic silicate rock)) — metamorphic

Gneiss (High-grade Metamorphic Rock)

Gneiss (Metamorphic silicate rock)

Quartz (Silicon Dioxide (SiO2)) — Mineral

Quartz

Silicon Dioxide (SiO2)

Clear Quartz crystals on a Matrix base (Geode fragment) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz crystals on a Matrix base (Geode fragment)

Silicon Dioxide (SiO2)

Banded Gneiss (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Quartz Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Graywacke (Graywacke Sandstone) — sedimentary

Graywacke

Graywacke Sandstone

Ruby in Kyanite (Al2O3 (Corundum) in Al2SiO5 (Kyanite-Fuchsite-Quartz)) — metamorphic

Ruby in Kyanite

Al2O3 (Corundum) in Al2SiO5 (Kyanite-Fuchsite-Quartz)

Sandstone (Ferruginous) (Arenite (with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (with Iron Oxide cement)

Milky Quartz (Druzy Geode fragment) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (Druzy Geode fragment)

Silicon Dioxide (SiO2)

Sandstone (Ferruginous) (Arenite (Fe2O3 staining)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe2O3 staining)

Yellow Jasper (Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)) — Mineral-based Sedimentary/Silica

Yellow Jasper

Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)

Mineral-based Sedimentary/Silica

Sandstone (Quartz Arenite) (Clastic Sedimentary Rock - Quartz Arenite) — sedimentary

Sandstone (Quartz Arenite)

Clastic Sedimentary Rock - Quartz Arenite

Quartz-Veined Mudstone (Argillite or Mudstone with Quartz Veining (SiO2 in Siliciclastic Matrix)) — sedimentary

Quartz-Veined Mudstone

Argillite or Mudstone with Quartz Veining (SiO2 in Siliciclastic Matrix)

Fluorite in Matrix (Fluorite (CaF2) within a host rock matrix) — Mineral

Fluorite in Matrix

Fluorite (CaF2) within a host rock matrix

Shale (Fissile Mudrock (Clay-rich Sedimentary Rock)) — sedimentary

Shale

Fissile Mudrock (Clay-rich Sedimentary Rock)