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

Granite (Phaneritic plutonic rock (Quartz, Feldspar, Mica)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Feldspar, Mica)

Sandstone Pebble (Quartz Sandstone) — sedimentary

Sandstone Pebble

Quartz Sandstone

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Chert (often called Flint) (Chert (Microcrystalline or cryptocrystalline Silica, SiO2)) — sedimentary

Chert (often called Flint)

Chert (Microcrystalline or cryptocrystalline Silica, SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Quartzite (or Engineered Quartz Stone) (SiO2 (Silicon Dioxide)) — metamorphic

Quartzite (or Engineered Quartz Stone)

SiO2 (Silicon Dioxide)

Fossilized Coral (Coquina/Limestone) (Cnidaria Anthozoa (Fossilized)) — sedimentary

Fossilized Coral (Coquina/Limestone)

Cnidaria Anthozoa (Fossilized)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Chert / Flint (Chert (varieties include Flint)) — Sedimentary

Chert / Flint

Chert (varieties include Flint)

Shale / Mudstone (Laminated Mudrock (Siliciclastic Sedimentary Rock)) — sedimentary

Shale / Mudstone

Laminated Mudrock (Siliciclastic Sedimentary Rock)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Turquoise (Turquoise, CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Turquoise, CuAl6(PO4)4(OH)8·4H2O

Quartz Pebble (Tumbled / River Pebble) (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble (Tumbled / River Pebble)

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

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

Granite

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

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Granite (Granite (Plutonic Igneous Rock)) — igneous

Granite

Granite (Plutonic Igneous Rock)

Slate (Slate (Foliated Metamorphic Rock)) — metamorphic

Slate

Slate (Foliated Metamorphic Rock)

Shale (Fissile Siliciclastic Sedimentary Rock) — sedimentary

Shale

Fissile Siliciclastic Sedimentary Rock

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

Sandstone

Clastic sedimentary rock (Quartz arenite)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Sandstone (Quartz-rich Arenite / SiO2)) — sedimentary

Sandstone

Sandstone (Quartz-rich Arenite / SiO2)

Limestone (specifically Travertine or Tufa) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (specifically Travertine or Tufa)

Calcium Carbonate (CaCO3)

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

Herkimer Diamond

Quartz (Silicon Dioxide) - SiO2

Ulexite (NaCaB5O6(OH)6·5H2O) — mineral

Ulexite

NaCaB5O6(OH)6·5H2O

Shale (Shale (clastic sedimentary rock composed of silt and clay-sized particles)) — sedimentary

Shale

Shale (clastic sedimentary rock composed of silt and clay-sized particles)

Limestone (Calcareous sedimentary rock (CaCO3)) — sedimentary

Limestone

Calcareous sedimentary rock (CaCO3)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Shale (Argillaceous sedimentary rock) — sedimentary

Shale

Argillaceous sedimentary rock

Sandstone (Sandstone (Quartz-rich sedimentary rock)) — sedimentary

Sandstone

Sandstone (Quartz-rich sedimentary rock)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Red Jasper (Silicon Dioxide (SiO2) with Hematite (Fe2O3)) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

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

Sandstone (likely Quartzose Sandstone)

Arenite (primarily SiO2)

Sandstone (Ferruginous) (Arenite (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Shale (Laminated Mudstone) — sedimentary

Shale

Laminated Mudstone

Sandstone (Arenite (Silicon Dioxide, SiO2 based)) — sedimentary

Sandstone

Arenite (Silicon Dioxide, SiO2 based)

Shale or Siltstone (Fine-grained siliciclastic sedimentary rock) — sedimentary

Shale or Siltstone

Fine-grained siliciclastic sedimentary rock

Sandstone (Arenite (predominantly SiO2)) — sedimentary

Sandstone

Arenite (predominantly SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)