Rock Identifier

Category

Sedimentary (Man Made)

Browse sedimentary (man made) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Man Made) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Limestone

Claystone

Sandstone

Marl

Rock Gypsum

Tripolite

Zincite

Diatomite

Lherzolite

Polished/tumbled calcite (Calcite (calcium carbonate, CaCO₃)) — mineral

Polished/tumbled calcite

Calcite (calcium carbonate, CaCO₃)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Magnetite / Hematite rich ore (Magnetite (Fe3O4) or Hematite (Fe2O3)) — mineral

Magnetite / Hematite rich ore

Magnetite (Fe3O4) or Hematite (Fe2O3)

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

Satin Spar Selenite

Gypsum (Calcium Sulfate Dihydrate, CaSO4·2H2O)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal

Silicon Dioxide (SiO2)

Halite (Rock Salt) (Sodium Chloride (NaCl)) — mineral

Halite (Rock Salt)

Sodium Chloride (NaCl)

Iron Ore (Limonite and Hematite) (Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)) — mineral

Iron Ore (Limonite and Hematite)

Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)

Agate (Moss or Green Agate) (Silicon Dioxide (SiO2)) — mineral

Agate (Moss or Green Agate)

Silicon Dioxide (SiO2)

Rhodonite (Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3

Sandstone (Sedimentary Rock (Quartz arenite/Arkose)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite/Arkose)

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Quartz (Milky or Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Chalcedony)

Silicon Dioxide (SiO2)

Sedimentary Sandstone with Iron Oxide (Ferruginous Sandstone) — sedimentary

Sedimentary Sandstone with Iron Oxide

Ferruginous Sandstone

Chert (variations include Flint) (Chert (SiO2)) — sedimentary

Chert (variations include Flint)

Chert (SiO2)

Sandstone (Red Sandstone) (Arenite (primarily Quartz with Hematite cement)) — sedimentary

Sandstone (Red Sandstone)

Arenite (primarily Quartz with Hematite cement)

Sandstone (Arenite (composed of SiO2, CaCO3, or iron oxides)) — sedimentary

Sandstone

Arenite (composed of SiO2, CaCO3, or iron oxides)

Shale (or Mudstone/Siltstone) (Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)) — sedimentary

Shale (or Mudstone/Siltstone)

Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

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

Sandstone (Quartzose)

Arenite (SiO2 based)

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

Limonite (Iron Ore) (Hydrated ferric oxide mixture (FeO(OH)·nH2O)) — sedimentary

Limonite (Iron Ore)

Hydrated ferric oxide mixture (FeO(OH)·nH2O)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Sandstone (Sandstone (Sedimentary rock composed of silicate grains)) — sedimentary

Sandstone

Sandstone (Sedimentary rock composed of silicate grains)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (likely Arkose or Quartz Sandstone) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (likely Arkose or Quartz Sandstone)

Clastic sedimentary rock (primarily SiO2)

Chert / Flint (a variety of Chert) (Chert (SiO2)) — Sedimentary Rock (technically a microcrystalline quartz mineral aggregate)

Chert / Flint (a variety of Chert)

Chert (SiO2)

Sedimentary Rock (technically a microcrystalline quartz mineral aggregate)

Coal (Bituminous Coal / Anthracite) — sedimentary

Coal

Bituminous Coal / Anthracite

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Biotite-rich gneiss (probable) (Foliated quartz–feldspar–biotite gneiss; composition commonly includes quartz (SiO₂), feldspar, and biotite mica) — metamorphic

Biotite-rich gneiss (probable)

Foliated quartz–feldspar–biotite gneiss; composition commonly includes quartz (SiO₂), feldspar, and biotite mica

Tumbled pale green mineral specimen, likely calcite (Calcite (CaCO₃), tentative identification) — mineral

Tumbled pale green mineral specimen, likely calcite

Calcite (CaCO₃), tentative identification

Quartz (Quartzite / Iron-stained Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Quartzite / Iron-stained Quartz)

Silicon Dioxide (SiO2)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Magnetite Ore (Magnetite (Fe3O4)) — mineral

Magnetite Ore

Magnetite (Fe3O4)

Magnetite (Magnetite (Fe3O4)) — mineral

Magnetite

Magnetite (Fe3O4)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)