Rock Identifier

Category

Sedimentary (Man Made)

Browse sedimentary (man made) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Man Made) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Limestone

Claystone

Sandstone

Marl

Rock Gypsum

Tripolite

Zincite

Diatomite

Lherzolite

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Sedimentary quartz arenite) — sedimentary

Sandstone

Sedimentary quartz arenite

K-Feldspar (Potassium Feldspar) (Orthoclase / Microcline (KAlSi3O8)) — mineral

K-Feldspar (Potassium Feldspar)

Orthoclase / Microcline (KAlSi3O8)

Hematite (Iron Oxide (Fe2O3)) — mineral

Hematite

Iron Oxide (Fe2O3)

Weathered basalt or mafic volcanic rock (Basalt; typically plagioclase feldspar, clinopyroxene, and often olivine or iron oxides) — igneous

Weathered basalt or mafic volcanic rock

Basalt; typically plagioclase feldspar, clinopyroxene, and often olivine or iron oxides

Quartzite with Hematite staining (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite with Hematite staining

Metamorphosed Quartz Sandstone (SiO2)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Sandstone (Weathered Pebble) (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone (Weathered Pebble)

Sedimentary Rock (Quartz arenite)

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

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Sandstone (Arenite (primarily Quartz, SiO2)) — sedimentary

Sandstone

Arenite (primarily Quartz, SiO2)

Halite (Rock Salt) (Halite (Sodium Chloride, NaCl)) — mineral

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Sandstone (Sedimentary Clastic Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Clastic Rock (Quartz arenite)

Sandstone (Clastic sedimentary rock (Quartz arenite)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite)

Fine-grained dark igneous rock, likely basalt (Basalt; predominantly plagioclase feldspar and pyroxene, commonly with minor olivine and iron-titanium oxides) — igneous

Fine-grained dark igneous rock, likely basalt

Basalt; predominantly plagioclase feldspar and pyroxene, commonly with minor olivine and iron-titanium oxides

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Flint (SiO2 (Microcrystalline Quartz / Chert)) — sedimentary

Flint

SiO2 (Microcrystalline Quartz / Chert)

Coal (Bituminous or Anthracite coal (carbon-rich sedimentary rock)) — sedimentary

Coal

Bituminous or Anthracite coal (carbon-rich sedimentary rock)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Dark basalt or fine-grained mafic rock (Basalt; primarily plagioclase feldspar, pyroxene, and commonly olivine or iron-titanium oxides) — igneous

Dark basalt or fine-grained mafic rock

Basalt; primarily plagioclase feldspar, pyroxene, and commonly olivine or iron-titanium oxides

Granite Pebble (Granite) — igneous

Granite Pebble

Granite

Granite Pebble (Granite (composed primarily of Quartz, Feldspar, and Mica)) — igneous

Granite Pebble

Granite (composed primarily of Quartz, Feldspar, and Mica)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Pink / Rose Quartz variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Pink / Rose Quartz variant)

Silicon Dioxide (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Sandstone (Sedimentary Rock (Quartz arenite / Lithic sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite / Lithic sandstone)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Arenite (SiO2 principal component)) — sedimentary

Sandstone

Arenite (SiO2 principal component)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Limonite Concretion (FeO(OH)·nH2O (Hydrated Iron Oxide)) — sedimentary

Limonite Concretion

FeO(OH)·nH2O (Hydrated Iron Oxide)

Sandstone (Ferruginous) (Sandstone (primarily SiO2 with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Sandstone (primarily SiO2 with Iron Oxide cement)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

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

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Tumbled honey calcite (likely aragonite/calcite material) (Calcite, CaCO₃; possibly aragonite, a polymorph of CaCO₃) — mineral

Tumbled honey calcite (likely aragonite/calcite material)

Calcite, CaCO₃; possibly aragonite, a polymorph of CaCO₃

Blue-gray quartz-bearing metamorphic rock (likely gneiss or schist) (Quartz–feldspar–mica rock; exact identification requires testing) — metamorphic

Blue-gray quartz-bearing metamorphic rock (likely gneiss or schist)

Quartz–feldspar–mica rock; exact identification requires testing