Rock Identifier

Category

Sedimentary Mineral

Browse sedimentary mineral specimens identified by the Rock Identifier community.

Learn about Sedimentary Mineral in the encyclopedia

Coal

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Glauconite

Breccia

Hutcheonite

Halite

Ironstone

Sperrylite

Baddeleyite

Anatase

Brookite

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Hematite (Hematite (Iron(III) oxide, Fe2O3)) — mineral

Hematite

Hematite (Iron(III) oxide, Fe2O3)

Geode (Calcite or Quartz) (Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)) — sedimentary

Geode (Calcite or Quartz)

Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Pyrite in Quartz Matrix (Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)) — mineral

Pyrite in Quartz Matrix

Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)

Likely bituminous coal (Coal, predominantly carbon-rich organic matter with variable maceral and mineral content) — sedimentary

Likely bituminous coal

Coal, predominantly carbon-rich organic matter with variable maceral and mineral content

Banded gneiss pebble (Gneiss, typically quartz–feldspar–mica assemblage) — metamorphic

Banded gneiss pebble

Gneiss, typically quartz–feldspar–mica assemblage

Gneiss (Foliated quartz–feldspar–mica gneiss) — metamorphic

Gneiss

Foliated quartz–feldspar–mica gneiss

Shale (Shale (Fine-grained clastic sedimentary rock)) — sedimentary

Shale

Shale (Fine-grained clastic sedimentary rock)

Limonite (FeO(OH)·nH2O) — mineral

Limonite

FeO(OH)·nH2O

Rainbow Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Rainbow Fluorite

Fluorite (Calcium Fluoride, CaF2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone with Manganese Dendrites (Clastic Sedimentary Rock (SiO2 based with MnO2 inclusions)) — sedimentary

Sandstone with Manganese Dendrites

Clastic Sedimentary Rock (SiO2 based with MnO2 inclusions)

Yellow Chalcedony / Carnelian (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony / Carnelian

Silicon Dioxide (SiO2)

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

Pyrite cluster (iron pyrite) (Pyrite, FeS₂) — mineral

Pyrite cluster (iron pyrite)

Pyrite, FeS₂

Shale (Sedimentary rock composed of clay minerals and quartz) — sedimentary

Shale

Sedimentary rock composed of clay minerals and quartz

Septarian Pebble (Septarian nodule / Concretion) — sedimentary

Septarian Pebble

Septarian nodule / Concretion

Magnetite / Ironstone (Magnetite (Fe3O4)) — mineral

Magnetite / Ironstone

Magnetite (Fe3O4)

Pyrite (Fool's Gold) (Iron Disulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Celestite (Celestine (SrSO4)) — mineral

Celestite

Celestine (SrSO4)

Hematite (Iron Oxide (Fe2O3)) — mineral

Hematite

Iron Oxide (Fe2O3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Rhodochrosite with Quartz (Manganese Carbonate (MnCO3) with Silicon Dioxide (SiO2)) — mineral

Rhodochrosite with Quartz

Manganese Carbonate (MnCO3) with Silicon Dioxide (SiO2)

Selenite (variety of Gypsum) (Calcium sulfate dihydrate (CaSO4·2H2O)) — mineral

Selenite (variety of Gypsum)

Calcium sulfate dihydrate (CaSO4·2H2O)

Fossilized Gastropod / Coral (Phylum Mollusca / Cnidaria (Silicified or Calcified)) — fossil

Fossilized Gastropod / Coral

Phylum Mollusca / Cnidaria (Silicified or Calcified)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Graphite (Carbon (C)) — mineral

Graphite

Carbon (C)

Limonite (FeO(OH)·n(H2O)) — mineral

Limonite

FeO(OH)·n(H2O)

Limonite Geode / Ironstone Nodule (Hydrated Iron Oxide Hydroxide (FeO(OH)·nH2O)) — mineral

Limonite Geode / Ironstone Nodule

Hydrated Iron Oxide Hydroxide (FeO(OH)·nH2O)

Sandstone (lithic) (Lithic Wacke / Arenite) — sedimentary

Sandstone (lithic)

Lithic Wacke / Arenite

River Pebble (Siltstone / Fine-grained Sandstone) (Sedimentary Pebble (Siliclastic)) — sedimentary

River Pebble (Siltstone / Fine-grained Sandstone)

Sedimentary Pebble (Siliclastic)

Sandstone with Mineral Veining or Crust (Sedimentary Sandstone (mostly SiO2 with Fe2O3 tinting)) — sedimentary

Sandstone with Mineral Veining or Crust

Sedimentary Sandstone (mostly SiO2 with Fe2O3 tinting)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz Mineral (Silicon Dioxide (SiO2)) — mineral

Quartz Mineral

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)