Rock Identifier

Category

Sedimentary Or Mineral

Browse sedimentary or mineral specimens identified by the Rock Identifier community.

Learn about Sedimentary Or Mineral in the encyclopedia

Coal

Conglomerate

Quartzite Sandstone

Quartzite Sandstone

Glauconite

Breccia

Hutcheonite

Halite

Ironstone

Sperrylite

Baddeleyite

Anatase

Brookite

Assorted Tumbled Gemstones (Mixed oxides and silicates (including Quartz, Chalcedony, and Feldspar variants)) — mineral

Assorted Tumbled Gemstones

Mixed oxides and silicates (including Quartz, Chalcedony, and Feldspar variants)

Galena (Lead(II) sulfide (PbS)) — mineral

Galena

Lead(II) sulfide (PbS)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Shale (Argillaceous Sedimentary Rock) — sedimentary

Shale

Argillaceous Sedimentary Rock

Gypsum (Satin Spar / Alabaster variety) (Calcium Sulfate Dihydrate (CaSO4·2H2O)) — mineral

Gypsum (Satin Spar / Alabaster variety)

Calcium Sulfate Dihydrate (CaSO4·2H2O)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Gneiss (Gneiss (High-grade metamorphic rock)) — metamorphic

Gneiss

Gneiss (High-grade metamorphic rock)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Limonite Concretion (Ironstone) (Limonite / Goethite (FeO(OH)·nH2O)) — sedimentary

Limonite Concretion (Ironstone)

Limonite / Goethite (FeO(OH)·nH2O)

Sandstone Pebble (Arenite (SiO2 based)) — sedimentary

Sandstone Pebble

Arenite (SiO2 based)

Sandstone (likely Graywacke or Lithic Sandstone) (Clastic Sedimentary Rock) — sedimentary

Sandstone (likely Graywacke or Lithic Sandstone)

Clastic Sedimentary Rock

Shale (possibly Carbonaceous or Oil Shale) (Argillaceous Sedimentary Rock) — sedimentary

Shale (possibly Carbonaceous or Oil Shale)

Argillaceous Sedimentary Rock

Shale (Lutaceous Sedimentary Rock) — sedimentary

Shale

Lutaceous Sedimentary Rock

Conglomerate (Puddingstone) (Conglomerate (specifically, clastic sedimentary rock)) — Sedimentary

Conglomerate (Puddingstone)

Conglomerate (specifically, clastic sedimentary rock)

Fossil Shark Tooth (Otodus sp. or Carcharocles sp. (likely fossilized Chondrichthyes)) — fossil

Fossil Shark Tooth

Otodus sp. or Carcharocles sp. (likely fossilized Chondrichthyes)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Arenite (SiO2 based typically)) — sedimentary

Sandstone

Arenite (SiO2 based typically)

Sandstone (likely Conglomerate or Gritstone) (Arenite (SiO2 based)) — sedimentary

Sandstone (likely Conglomerate or Gritstone)

Arenite (SiO2 based)

Sandstone (Siltstone or Fine-grained) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (Siltstone or Fine-grained)

Clastic sedimentary rock (primarily SiO2)

Epidote with Quartz (Ca2(Al,Fe)3(SiO4)3(OH) (Epidote) / SiO2 (Quartz)) — mineral

Epidote with Quartz

Ca2(Al,Fe)3(SiO4)3(OH) (Epidote) / SiO2 (Quartz)

Common Opal (Hydrated Silica (SiO2·nH2O)) — mineral

Common Opal

Hydrated Silica (SiO2·nH2O)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Ruby in Kyanite (Corundum in Disthene (Al2SiO5 + Al2O3)) — metamorphic

Ruby in Kyanite

Corundum in Disthene (Al2SiO5 + Al2O3)

Sandstone (Sandstone (clastic sedimentary rock, predominantly SiO2)) — sedimentary

Sandstone

Sandstone (clastic sedimentary rock, predominantly SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Hematite Nodules (Moqui Marbles style) (Iron Oxide (Fe2O3)) — mineral

Hematite Nodules (Moqui Marbles style)

Iron Oxide (Fe2O3)

Limonite Geode (Ironstone Concretion) (Goethite/Limonite FeO(OH)·nH2O) — sedimentary

Limonite Geode (Ironstone Concretion)

Goethite/Limonite FeO(OH)·nH2O

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

Pebble (likely Quartz or Chert) (SiO₂ (Silicon Dioxide) - referring to the likely main mineral composition, Quartz. If it's chert, the scientific name remains SiO₂ with a microcrystalline structure.) — Sedimentary Rock

Pebble (likely Quartz or Chert)

SiO₂ (Silicon Dioxide) - referring to the likely main mineral composition, Quartz. If it's chert, the scientific name remains SiO₂ with a microcrystalline structure.

Sedimentary Rock

Granitic Gneiss (Gneiss (Metamorphic rock predominantly containing quartz, K-feldspar, and plagioclase)) — metamorphic

Granitic Gneiss

Gneiss (Metamorphic rock predominantly containing quartz, K-feldspar, and plagioclase)

Sandstone (Arenite (Sandstone)) — sedimentary

Sandstone

Arenite (Sandstone)

Quartz / Calcite Pebble (SiO2 (Quartz) or CaCO3 (Calcite)) — mineral

Quartz / Calcite Pebble

SiO2 (Quartz) or CaCO3 (Calcite)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

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

Specular Hematite

Hematite (Iron(III) oxide, Fe2O3)

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

Rhodonite

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

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Specular Hematite (Hematite (Fe2O3)) — mineral

Specular Hematite

Hematite (Fe2O3)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite