Rock Identifier

Category

Not A Natural Rock (Man Made Composite)

Browse not a natural rock (man made composite) specimens identified by the Rock Identifier community.

Learn about Not A Natural Rock (Man Made Composite) in the encyclopedia

Asphalt Rock

Rock Gypsum

Talc-carbonate Rock

Talc-carbonate Rock

Opalite

Chalk

Goldstone

Anorthosite

Albitite

Dunite

Gondite

Limestone

Coquina

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Sandstone (Iron-stained) (Clastic sedimentary rock (SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Iron-stained)

Clastic sedimentary rock (SiO2 with Fe2O3 staining)

Pumice (Vesicular volcanic glass (primarily SiO2)) — igneous

Pumice

Vesicular volcanic glass (primarily SiO2)

Granite Pebble (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite Pebble

Granite (Phaneritic intrusive igneous rock)

Pink Granite (Phaneritic Felsic Intrusive Igneous Rock) — igneous

Pink Granite

Phaneritic Felsic Intrusive Igneous Rock

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Conglomerate (Asphaltic/Anthropogenic) (Clastic sedimentary rock / Bituminous mixture) — sedimentary

Conglomerate (Asphaltic/Anthropogenic)

Clastic sedimentary rock / Bituminous mixture

Yellow Chert (Yellow Jasper) (Silicon dioxide (SiO2)) — sedimentary

Yellow Chert (Yellow Jasper)

Silicon dioxide (SiO2)

Shark Tooth Fossil (Vertebrate fossilized tooth) — fossil

Shark Tooth Fossil

Vertebrate fossilized tooth

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

Jasper pebble

Silicon Dioxide (SiO2 with iron oxide inclusions)

Blue Quartzite (Dyed) (Metamorphosed Quartz-rich Sandstone (SiO2 with organic dye)) — metamorphic

Blue Quartzite (Dyed)

Metamorphosed Quartz-rich Sandstone (SiO2 with organic dye)

Yellow Quartz / Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz / Citrine Quartz

Silicon Dioxide (SiO2)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Phaneritic Plutonic Felsic Rock) — igneous

Granite

Phaneritic Plutonic Felsic Rock

Granite (Weathered River Rock) (Granite (Phaneritic Igneous Rock)) — igneous

Granite (Weathered River Rock)

Granite (Phaneritic Igneous Rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Blue Lace Agate (Cryptocrystalline Quartz (SiO2) with trace minerals) — sedimentary

Blue Lace Agate

Cryptocrystalline Quartz (SiO2) with trace minerals

Beach Pebble (Gabbro or Basalt Porphyry) (Mafic Igneous Rock (Porphyritic Basalt / Gabbro)) — igneous

Beach Pebble (Gabbro or Basalt Porphyry)

Mafic Igneous Rock (Porphyritic Basalt / Gabbro)

Pink Granite (Granite (Phaneritic igneous rock rich in Alkali Feldspar)) — igneous

Pink Granite

Granite (Phaneritic igneous rock rich in Alkali Feldspar)

Hag Stone (Holey Rock / Fossiliferous Limestone) (Limestone (CaCO3) with natural erosion / fossil cavities) — sedimentary

Hag Stone (Holey Rock / Fossiliferous Limestone)

Limestone (CaCO3) with natural erosion / fossil cavities

Sandstone (Ferruginous) (Arenite (with Iron Oxide cement)) — sedimentary

Sandstone (Ferruginous)

Arenite (with Iron Oxide cement)

Shale (Fissile Mudstone) — sedimentary

Shale

Fissile Mudstone

Pearl necklace (Pearl (biogenic calcium carbonate, chiefly aragonite; CaCO₃)) — gemstone

Pearl necklace

Pearl (biogenic calcium carbonate, chiefly aragonite; CaCO₃)

Amethyst Quartz (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst Quartz

Silicon Dioxide (SiO2) with iron impurities

Quartzite Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Quartzite Conglomerate

Conglomerate (clastic sedimentary rock)

Moss-covered Limestone with Quartz/Calcite Pocket (Calcium Carbonate (CaCO3) rock with biological moss coating) — sedimentary

Moss-covered Limestone with Quartz/Calcite Pocket

Calcium Carbonate (CaCO3) rock with biological moss coating

Dyed Pumice (Vesicular Rhyolite (Artificial Coloration Addition)) — igneous

Dyed Pumice

Vesicular Rhyolite (Artificial Coloration Addition)

Pink Granite (Granite (composed primarily of Quartz, K-Feldspar, and Plagioclase)) — igneous

Pink Granite

Granite (composed primarily of Quartz, K-Feldspar, and Plagioclase)

Conglomerate (Sedimentary Conglomerate with Basaltic Clast) — sedimentary

Conglomerate

Sedimentary Conglomerate with Basaltic Clast

Herkimer Diamond (Quartz (Silicon Dioxide, SiO2)) — mineral

Herkimer Diamond

Quartz (Silicon Dioxide, SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Pumice (Pumice (Felsic volcanic glass)) — igneous

Pumice

Pumice (Felsic volcanic glass)

Chert (Commonly known as Flint/Jasper) (Microcrystalline Quartz (SiO2) with iron oxide inclusions) — sedimentary

Chert (Commonly known as Flint/Jasper)

Microcrystalline Quartz (SiO2) with iron oxide inclusions

Sandstone (Ferruginous) (Arenite with Iron Oxide (Fe2O3) cement) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron Oxide (Fe2O3) cement

Basalt Pebble (Beach Stone) (Aphanitic Mafic Igneous Rock) — igneous

Basalt Pebble (Beach Stone)

Aphanitic Mafic Igneous Rock

Granite (Intrusive Igneous Rock (Granitic)) — igneous

Granite

Intrusive Igneous Rock (Granitic)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Rhyolite or jasper-bearing volcanic rock (Rhyolite, likely altered and silicified; red coloration may come from hematite) — igneous

Rhyolite or jasper-bearing volcanic rock

Rhyolite, likely altered and silicified; red coloration may come from hematite

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Yellow Quartz (Citrine or Yellow Jasper) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine or Yellow Jasper)

Silicon Dioxide (SiO2)

Sandstone (with Iron Oxidation) (Arenite (SiO2 with Fe-oxides)) — sedimentary

Sandstone (with Iron Oxidation)

Arenite (SiO2 with Fe-oxides)

Picture Jasper (Silicon Dioxide (SiO2)) — sedimentary

Picture Jasper

Silicon Dioxide (SiO2)