Rock Identifier

Category

Man Made Composite (Lithified Equivalent Of Sedimentary)

Browse man made composite (lithified equivalent of sedimentary) specimens identified by the Rock Identifier community.

Fossiliferous Limestone (with Coralline Inclusions) (Calcium Carbonate (CaCO3)) — sedimentary

Fossiliferous Limestone (with Coralline Inclusions)

Calcium Carbonate (CaCO3)

sedimentary
Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

sedimentary
Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

sedimentary
Ocherous Sandstone (Ferruginous Sandstone) (Ferruginous Arenite (SiO2 with Fe2O3)) — sedimentary

Ocherous Sandstone (Ferruginous Sandstone)

Ferruginous Arenite (SiO2 with Fe2O3)

sedimentary
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

sedimentary
Quartz (Milky/Common) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

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

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

mineral
Jasper with Quartz inclusions (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper with Quartz inclusions

Silicon Dioxide (SiO2) with impurities

sedimentary
Red Jasper (Chert) (Silicon Dioxide (SiO2)) — sedimentary

Red Jasper (Chert)

Silicon Dioxide (SiO2)

sedimentary
Chert (Red Jasper) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Red Jasper)

Microcrystalline Quartz (SiO2)

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

Satin Spar Selenite

Calcium Sulfate Dihydrate (CaSO4·2H2O)

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

Galena

Lead(II) sulfide (PbS)

mineral
Red Jasper (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

sedimentary
Sandstone (likely Quartzose Sandstone with mineral staining) (Arenite (composed mainly of SiO2)) — sedimentary

Sandstone (likely Quartzose Sandstone with mineral staining)

Arenite (composed mainly of SiO2)

sedimentary
Red Shale (Fissile Siliciclastic Sedimentary Rock) — sedimentary

Red Shale

Fissile Siliciclastic Sedimentary Rock

sedimentary
Milky Quartz (or Vein Quartz) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (or Vein Quartz)

Silicon Dioxide (SiO2)

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

Green Fluorite

Calcium Fluoride (CaF2)

mineral
Red Ochre (Hematite-rich Clay) (Limonitic/Hematitic Claystone (Fe2O3 with clay minerals)) — Sedimentary

Red Ochre (Hematite-rich Clay)

Limonitic/Hematitic Claystone (Fe2O3 with clay minerals)

Sedimentary
Quartz Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment

Silicon Dioxide (SiO2)

mineral
Clear Quartz (Silicon Dioxide (SiO2) / Rock Crystal) — mineral

Clear Quartz

Silicon Dioxide (SiO2) / Rock Crystal

mineral
Chert (concretionary/nodular variant) (Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions) — sedimentary

Chert (concretionary/nodular variant)

Microcrystalline Quartz (SiO2) with possible fossil or mineral inclusions

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

Satin Spar (Gypsum variety)

Calcium Sulfate Dihydrate (CaSO4·2H2O)

mineral
Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

mineral
Ferruginous Sandstone (Arenite with Iron-oxide cement (composed of Quartz and Limonite/Hematite)) — sedimentary

Ferruginous Sandstone

Arenite with Iron-oxide cement (composed of Quartz and Limonite/Hematite)

sedimentary
Chalk (Sedimentary Pebble) (Calcium Carbonate (CaCO3) - Biogenic Limestone) — sedimentary

Chalk (Sedimentary Pebble)

Calcium Carbonate (CaCO3) - Biogenic Limestone

sedimentary
Green Fluorite (likely synthetic or heat-treated for jewelry) (Calcium Fluoride (CaF2)) — mineral

Green Fluorite (likely synthetic or heat-treated for jewelry)

Calcium Fluoride (CaF2)

mineral
Carnelian (Carnelian Agate (Silica: SiO2)) — mineral

Carnelian

Carnelian Agate (Silica: SiO2)

mineral
Quartz (Raw Chunk) (Silicon Dioxide (SiO2)) — mineral

Quartz (Raw Chunk)

Silicon Dioxide (SiO2)

mineral
Chert (Nodule) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Nodule)

Silicon Dioxide (SiO2)

sedimentary
Selenite (Gypsum) (Hydrous calcium sulfate (CaSO4·2H2O)) — mineral

Selenite (Gypsum)

Hydrous calcium sulfate (CaSO4·2H2O)

mineral
Quartz Pebble (Chert/Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble (Chert/Chalcedony)

Silicon Dioxide (SiO2)

mineral
Yellow Quartz (Chalcedony or Agate) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Chalcedony or Agate)

Silicon Dioxide (SiO2)

mineral
Granite (Granite (a plutonic igneous rock)) — Igneous

Granite

Granite (a plutonic igneous rock)

Igneous
Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

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

Sandstone Pebble

Arenite (primarily SiO2)

sedimentary
Red Jasper (Silicon Dioxide (SiO2) with Iron impurities) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Iron impurities

mineral
Leopard Skin Jasper (Silicon Dioxide (SiO2) with various inclusions) — sedimentary

Leopard Skin Jasper

Silicon Dioxide (SiO2) with various inclusions

sedimentary
Carnelian Agate (Silicon Dioxide (SiO2) with iron oxide impurities) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) with iron oxide impurities

mineral
Chert (specifically Flint or Gray Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Flint or Gray Chert)

Silicon Dioxide (SiO2)

sedimentary
Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

mineral
Oolitic Ironstone (Sedimentary Ooidal Ironstone (Limonite/Hematite mixture)) — sedimentary

Oolitic Ironstone

Sedimentary Ooidal Ironstone (Limonite/Hematite mixture)

sedimentary