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

Shale (Shale (claystone/mudstone)) — sedimentary

Shale

Shale (claystone/mudstone)

Limonite / Goethite (Iron Ore Mineral nodule) (FeO(OH)·nH2O / FeO(OH)) — mineral

Limonite / Goethite (Iron Ore Mineral nodule)

FeO(OH)·nH2O / FeO(OH)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Pyrite (Iron Pyrite (FeS2)) — mineral

Pyrite

Iron Pyrite (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Tumbled picture jasper (Microcrystalline quartz (SiO₂), commonly with iron-oxide and clay inclusions) — mineral

Tumbled picture jasper

Microcrystalline quartz (SiO₂), commonly with iron-oxide and clay inclusions

Sandstone Pebble (Sandstone (primarily SiO2)) — sedimentary

Sandstone Pebble

Sandstone (primarily SiO2)

Shale with Iron Staining (Fissile Mudrock (Sedimentary Rock)) — sedimentary

Shale with Iron Staining

Fissile Mudrock (Sedimentary Rock)

Orange Calcite (likely polished specimen) (Calcite) — Mineral

Orange Calcite (likely polished specimen)

Calcite

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

Limonite (Iron Ore)

FeO(OH)·nH2O

River Rock / Stream Pebble (Fluvial Clast / Rounded Sedimentary Particle) — Sedimentary Rock (possibly composed of various minerals)

River Rock / Stream Pebble

Fluvial Clast / Rounded Sedimentary Particle

Sedimentary Rock (possibly composed of various minerals)

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

River Pebble (Siltstone / Fine-grained Sandstone)

Sedimentary Pebble (Siliclastic)

Limonite (Ironstone Concretion) (Hydrous ferric oxides (FeO(OH)·nH2O)) — mineral

Limonite (Ironstone Concretion)

Hydrous ferric oxides (FeO(OH)·nH2O)

Sandstone (Clastic Sedimentary Rock (composed mostly of SiO2)) — sedimentary

Sandstone

Clastic Sedimentary Rock (composed mostly of SiO2)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Banded Sedimentary Rock (Siltstone/Mudstone with concretion) (Siltstone with Ferruginous Banding) — sedimentary

Banded Sedimentary Rock (Siltstone/Mudstone with concretion)

Siltstone with Ferruginous Banding

Apatite (Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)) — mineral

Apatite

Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)

Sandstone (Sedimentary rock composed mainly of quartz sand) — sedimentary

Sandstone

Sedimentary rock composed mainly of quartz sand

Banded Calcite (CaCO3) — sedimentary

Banded Calcite

CaCO3

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Limonite (Iron Stone/Ocher) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Stone/Ocher)

Limonite (FeO(OH)·nH2O)

Banded Sedimentary Rock (Sedimentary rock with Liesegang banding) — sedimentary

Banded Sedimentary Rock

Sedimentary rock with Liesegang banding

Quartz Pebble (Silicon dioxide (SiO2)) — mineral

Quartz Pebble

Silicon dioxide (SiO2)

Limonite with Quartz (Hydrated Iron Oxide Hydroxide with Silicon Dioxide (FeO(OH)·nH2O + SiO2)) — mineral

Limonite with Quartz

Hydrated Iron Oxide Hydroxide with Silicon Dioxide (FeO(OH)·nH2O + SiO2)

Shale (Lutaceous Rock (Hydrous Aluminum Silicates)) — sedimentary

Shale

Lutaceous Rock (Hydrous Aluminum Silicates)

Pyrite in Shale (Iron Disulfide (FeS2)) — mineral

Pyrite in Shale

Iron Disulfide (FeS2)

Sandstone (Common Quartz Pebble/Rock) (Sedimentary rock / Quartz arenite) — sedimentary

Sandstone (Common Quartz Pebble/Rock)

Sedimentary rock / Quartz arenite

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Limonite (Ironstone Concretion) (Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)) — mineral

Limonite (Ironstone Concretion)

Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)

Pyrite (or Arsenopyrite / Ore mineral aggregate) (FeS2 (Iron Sulfide)) — mineral

Pyrite (or Arsenopyrite / Ore mineral aggregate)

FeS2 (Iron Sulfide)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Mixed Mineral Assortment (Pyrite, Kyanite, Agate, Jasper) (FeS2 (Pyrite), Al2SiO5 (Kyanite), SiO2 (Agate/Jasper)) — mineral

Mixed Mineral Assortment (Pyrite, Kyanite, Agate, Jasper)

FeS2 (Pyrite), Al2SiO5 (Kyanite), SiO2 (Agate/Jasper)

Sandstone or possibly a conglomerate (Arenite (if sandstone)) — sedimentary

Sandstone or possibly a conglomerate

Arenite (if sandstone)

Sandstone (SiO2 (predominantly quartz sand)) — sedimentary

Sandstone

SiO2 (predominantly quartz sand)

Jasper (SiO2 (Cryptocrystalline quartz)) — mineral

Jasper

SiO2 (Cryptocrystalline quartz)