Rock Identifier

Category

Sedimentary (Base), Then Artificial

Browse sedimentary (base), then artificial specimens identified by the Rock Identifier community.

Limonite (Limonite (Hydrous iron oxides, predominantly Goethite FeO(OH)·nH2O)) — mineral

Limonite

Limonite (Hydrous iron oxides, predominantly Goethite FeO(OH)·nH2O)

Chalcedony (Moonstone-like Agate) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (Moonstone-like Agate)

Silicon Dioxide (SiO₂)

Botryoidal Chalcedony (Silicon Dioxide (SiO2)) — mineral

Botryoidal Chalcedony

Silicon Dioxide (SiO2)

Banded Calcite (often sold as Caribbean Calcite or Honey Calcite) (Calcium Carbonate (CaCO3)) — mineral

Banded Calcite (often sold as Caribbean Calcite or Honey Calcite)

Calcium Carbonate (CaCO3)

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

Chert (Flint variety)

Silicon Dioxide (SiO2)

Chalcedony (Agate/Carnelian type) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate/Carnelian type)

Silicon Dioxide (SiO2)

Satin Spar (Selenite) (Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O) — mineral

Satin Spar (Selenite)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Satin Spar Selenite (Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O) — mineral

Satin Spar Selenite

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

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

Chert (Iron-Stained)

Chert (Silicon Dioxide, SiO2)

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

Sandstone (likely Quartzose)

Arenite (primarily SiO2)

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

Sandstone

Arenite (primarily composed of SiO2)

Chert (within Limestone) (Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)) — sedimentary

Chert (within Limestone)

Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Yellow/Siltstone variant) (Arenite (SiO2 primarily)) — sedimentary

Sandstone (Yellow/Siltstone variant)

Arenite (SiO2 primarily)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (likely Arkose) (Arenite (Feldspathic Sandstone / Arkose)) — sedimentary

Sandstone (likely Arkose)

Arenite (Feldspathic Sandstone / Arkose)

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

Sandstone (Ferruginous)

Arenite (Fe-rich)

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

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Banded) (Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide staining)) — sedimentary

Sandstone (Banded)

Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide staining)

Limestone (Calcium carbonate (CaCO3)) — sedimentary

Limestone

Calcium carbonate (CaCO3)

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

Sandstone (Ferruginous)

Arenite with Iron Oxide matrix

Sandstone (Ferruginous) (Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Ferruginous)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)

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

Chert (specifically Red Chert/Jasper)

Microcrystalline Quartz (SiO2)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (with Iron Staining) (Clastic Sedimentary Rock (primarily Quartz with Fe2O3 staining)) — sedimentary

Sandstone (with Iron Staining)

Clastic Sedimentary Rock (primarily Quartz with Fe2O3 staining)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Metaconglomerate (Metaconglomerate (Quartzite conglomerate)) — metamorphic

Metaconglomerate

Metaconglomerate (Quartzite conglomerate)

Sandstone (Ferruginous) (Arenite (SiO2 with Fe2O3 inclusions)) — sedimentary

Sandstone (Ferruginous)

Arenite (SiO2 with Fe2O3 inclusions)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

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

Sandstone

Arenite (composed primarily of SiO2)

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

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Strawberry Quartz (Quartz (SiO₂) with Goethite (α-FeO(OH)) and/or Lepidocrocite (γ-FeO(OH)) inclusions) — Mineral

Strawberry Quartz

Quartz (SiO₂) with Goethite (α-FeO(OH)) and/or Lepidocrocite (γ-FeO(OH)) inclusions

Lepidodendron Fossil in Sandstone (Lepidodendron (Lycophytina, Lepidodendrales)) — sedimentary

Lepidodendron Fossil in Sandstone

Lepidodendron (Lycophytina, Lepidodendrales)

Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Apatite

Fluorapatite (Ca5(PO4)3F)

Quartz Geode (Crystalline Silicon Dioxide (SiO2) in Geode) — mineral

Quartz Geode

Crystalline Silicon Dioxide (SiO2) in Geode

Mookaite Jasper (SiO2) — Sedimentary

Mookaite Jasper

SiO2