Rock Identifier

Category

Sedimentary Rock Or Mineral (Depending On Origin And Purity)

Browse sedimentary rock or mineral (depending on origin and purity) specimens identified by the Rock Identifier community.

Learn about Sedimentary Rock Or Mineral (Depending On Origin And Purity) in the encyclopedia

Rock Salt

Asphalt Rock

Rock Gypsum

Calc-Silicate Rock

Calc-Silicate Rock

Conglomerate

Breccia

Coal

Ironstone

Halite

Claystone

Limestone

Quartzite Sandstone

Quartzite Sandstone

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Sandstone (Quartz-rich) (Arenite (composed mainly of SiO2)) — sedimentary

Sandstone (Quartz-rich)

Arenite (composed mainly of SiO2)

Orange Calcite Sphere (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite Sphere

Calcium Carbonate (CaCO3)

Gravel (Unconsolidated rock fragments / detrital sediment) — sedimentary

Gravel

Unconsolidated rock fragments / detrital sediment

Fossiliferous Sedimentary Rock (Sedimentary Rock with Invertebrate Fossil Imprint) — fossil

Fossiliferous Sedimentary Rock

Sedimentary Rock with Invertebrate Fossil Imprint

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Diamond (Cut Gemstone) (Natural Carbon (C)) — gemstone

Diamond (Cut Gemstone)

Natural Carbon (C)

Manganese Oxide Crust on Limestone (Manganese Oxides (e.g., Pyrolusite MnO2 or Romanechite) on CaCO3) — sedimentary

Manganese Oxide Crust on Limestone

Manganese Oxides (e.g., Pyrolusite MnO2 or Romanechite) on CaCO3

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Druzy Quartz on Chalcedony Matrix (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz on Chalcedony Matrix

Silicon Dioxide (SiO2)

Fish Fossil in Limestone (Lycoptera (likely) in Micritic Limestone) — sedimentary

Fish Fossil in Limestone

Lycoptera (likely) in Micritic Limestone

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)

Geode (Unopened) (Silica-rich Concretion (SiO2)) — sedimentary

Geode (Unopened)

Silica-rich Concretion (SiO2)

Fluorite (translucent octahedral crystal) (Calcium fluoride (CaF2)) — mineral

Fluorite (translucent octahedral crystal)

Calcium fluoride (CaF2)

Ruby (or potential synthetic/imitation) (Corundum (Al2O3)) — gemstone

Ruby (or potential synthetic/imitation)

Corundum (Al2O3)

Moldavite (Tektite (Natural Silicate Glass)) — gemstone

Moldavite

Tektite (Natural Silicate Glass)

Granite Pebble (Granite (a phaneritic intrusive igneous rock consisting of quartz, alkali feldspar, and plagioclase)) — igneous

Granite Pebble

Granite (a phaneritic intrusive igneous rock consisting of quartz, alkali feldspar, and plagioclase)

Quartz (Tumbled/Water-worn) (Silicon Dioxide (SiO2)) — mineral

Quartz (Tumbled/Water-worn)

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 principal component)) — sedimentary

Sandstone

Arenite (SiO2 principal component)

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

Sandstone (Quartzose)

Arenite (SiO2 based)

Rough Quartz (Milky / Clear Quartz) (Silicon Dioxide (SiO2)) — mineral

Rough Quartz (Milky / Clear Quartz)

Silicon Dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Sandstone (Quartzose) (Arenite (SiO2 principal composition)) — sedimentary

Sandstone (Quartzose)

Arenite (SiO2 principal composition)

Sandstone (Clastic sedimentary rock) — sedimentary

Sandstone

Clastic sedimentary rock

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Quartz (likely Clear Quartz or Rock Crystal) (Quartz (SiO2)) — Mineral

Quartz (likely Clear Quartz or Rock Crystal)

Quartz (SiO2)

Gravel or Crushed Stone (Fragmented Aggregate Stone) — sedimentary or igneous fragment

Gravel or Crushed Stone

Fragmented Aggregate Stone

sedimentary or igneous fragment

Ironstone / Weathered Hematite (Iron oxide-rich sedimentary rock with Goethite/Hematite) — sedimentary

Ironstone / Weathered Hematite

Iron oxide-rich sedimentary rock with Goethite/Hematite

Sandstone (likely Quartzose Sandstone) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (likely Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

Starfish Fossil (Asteroidea fossil) — fossil

Starfish Fossil

Asteroidea fossil

Quartz-veined Sandstone (Quartzite-veined Arenite / SiO2 and quartz sand) — sedimentary

Quartz-veined Sandstone

Quartzite-veined Arenite / SiO2 and quartz sand

Blue Sapphire and Diamond (Set in Metal) (Corundum (Al2O3) and Diamond (C)) — mineral

Blue Sapphire and Diamond (Set in Metal)

Corundum (Al2O3) and Diamond (C)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Weathered quartz-rich rock, likely milky quartz or quartzite (Quartz (SiO₂), possibly quartzite with iron-oxide staining) — mineral

Weathered quartz-rich rock, likely milky quartz or quartzite

Quartz (SiO₂), possibly quartzite with iron-oxide staining

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Green Fluorite (Fluorite (Calcium Fluoride) - CaF2) — mineral

Green Fluorite

Fluorite (Calcium Fluoride) - CaF2

Sedimentary River Rock (Siliciclastic Sedimentary Rock (Quartzite or Sandstone pebble)) — sedimentary

Sedimentary River Rock

Siliciclastic Sedimentary Rock (Quartzite or Sandstone pebble)

Fossilized Bone (Permineralized Vertebrate Bone) — fossil

Fossilized Bone

Permineralized Vertebrate Bone

Sandstone (Weathered Fragment) (Clastic Sedimentary Rock) — sedimentary

Sandstone (Weathered Fragment)

Clastic Sedimentary Rock