Rock Identifier

Category

Man Made (Synthetic Rock)

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

Learn about Man Made (Synthetic Rock) in the encyclopedia

Rock Gypsum

Coral Rock

Asphalt Rock

Rock Salt

Talc-carbonate Rock

Talc-carbonate Rock

Calc-Silicate Rock

Calc-Silicate Rock

Opalite

Zincite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Lead Feldspar

Goldstone

Anorthosite

Milky quartz vein fragment (Quartz, silicon dioxide (SiO₂)) — mineral

Milky quartz vein fragment

Quartz, silicon dioxide (SiO₂)

Fossil Coral (Scleractinia (fossil order), primarily Calcium Carbonate (CaCO3)) — sedimentary

Fossil Coral

Scleractinia (fossil order), primarily Calcium Carbonate (CaCO3)

Sandstone (Arenite (Sedimentary Rock)) — sedimentary

Sandstone

Arenite (Sedimentary Rock)

Quartz Geode in Sedimentary Host Rock (Silicon Dioxide (SiO2) in Carbonate Matrix) — sedimentary

Quartz Geode in Sedimentary Host Rock

Silicon Dioxide (SiO2) in Carbonate Matrix

Fossilized Coral (Rugose Coral / Hexagonaria (Fossilized calcium carbonate)) — fossil

Fossilized Coral

Rugose Coral / Hexagonaria (Fossilized calcium carbonate)

Sandstone (Calcareous or Quartz-rich) (Arenite) — sedimentary

Sandstone (Calcareous or Quartz-rich)

Arenite

Shale (Sedimentary Shale) — sedimentary

Shale

Sedimentary Shale

Shale and Pebble Fragment (Sedimentary Rock (Mudstone/Shale with Silica Pebble)) — sedimentary

Shale and Pebble Fragment

Sedimentary Rock (Mudstone/Shale with Silica Pebble)

Mudstone (Argillite / Siliciclastic sedimentary rock) — sedimentary

Mudstone

Argillite / Siliciclastic sedimentary rock

River Rock (likely Basalt or Greywacke) (Basalt or Lithic Sandstone) — Igneous or Sedimentary (water-worn)

River Rock (likely Basalt or Greywacke)

Basalt or Lithic Sandstone

Igneous or Sedimentary (water-worn)

Basalt (with possible quartz/calcite inclusion) (Extrusive mafic igneous rock) — igneous

Basalt (with possible quartz/calcite inclusion)

Extrusive mafic igneous rock

Basalt with Plagioclase or Quartz Inclusion (Melanocratic Basalt with Porphyritic Inclusion) — igneous

Basalt with Plagioclase or Quartz Inclusion

Melanocratic Basalt with Porphyritic Inclusion

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Basalt River Stone (Basalt (extrusive mafic rock)) — igneous

Basalt River Stone

Basalt (extrusive mafic rock)

Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

Basalt River Pebble (Basalt (Mafic Volcanic Rock)) — igneous

Basalt River Pebble

Basalt (Mafic Volcanic Rock)

Basalt River Pebble (Basalt (Mafic volcanic rock)) — igneous

Basalt River Pebble

Basalt (Mafic volcanic rock)

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt Pebble (Basalt (Mafic volcanic rock)) — igneous

Basalt Pebble

Basalt (Mafic volcanic rock)

Basalt River Pebble (Basalt (Mafic Volcanic Rock)) — igneous

Basalt River Pebble

Basalt (Mafic Volcanic Rock)

Basalt (River Stone) (Basalt) — igneous

Basalt (River Stone)

Basalt

Basalt with Phenocrysts (Porphyritic Basalt) — igneous

Basalt with Phenocrysts

Porphyritic Basalt

Basalt Pebble (Basalt (Mafic Volcanic Rock)) — igneous

Basalt Pebble

Basalt (Mafic Volcanic Rock)

Vesicular Basalt (River Cobble) (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Vesicular Basalt (River Cobble)

Basalt (Mafic Extrusive Igneous Rock)

Basalt River Pebble (with Quartz Vein) (Basalt (Mafic Volcanic Rock)) — igneous

Basalt River Pebble (with Quartz Vein)

Basalt (Mafic Volcanic Rock)

Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt (Aphanitic Mafic Volcanic Rock (Fe/Mg rich)) — igneous

Basalt

Aphanitic Mafic Volcanic Rock (Fe/Mg rich)

Basalt River Pebble (Basalt) — igneous

Basalt River Pebble

Basalt

Gravel (likely Basalt or Greywacke) (Basalt (Mafic volcanic rock)) — igneous

Gravel (likely Basalt or Greywacke)

Basalt (Mafic volcanic rock)

Basalt (Vesicular) (Basalt) — igneous

Basalt (Vesicular)

Basalt

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt pebble (Aphanitic Mafic Igneous Rock) — igneous

Basalt pebble

Aphanitic Mafic Igneous Rock

Basalt (River Stone) (Basalt (composed mostly of plagioclase, pyroxene, and olivine)) — igneous

Basalt (River Stone)

Basalt (composed mostly of plagioclase, pyroxene, and olivine)

Vesicular Basalt (Extrusive mafic igneous rock (Basalt)) — igneous

Vesicular Basalt

Extrusive mafic igneous rock (Basalt)

Basalt (with possible Serpentinization) (Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt (with possible Serpentinization)

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt with Quartz Vein (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt with Quartz Vein

Basalt (Mafic Extrusive Igneous Rock)

Granite (Phaneritic Igneous Rock (composed of quartz, alkali feldspar, and plagioclase)) — igneous

Granite

Phaneritic Igneous Rock (composed of quartz, alkali feldspar, and plagioclase)

Basalt with Weathered Rind (Basalt (Extrusive Mafic Igneous Rock)) — igneous

Basalt with Weathered Rind

Basalt (Extrusive Mafic Igneous Rock)

Basalt River Pebble (Aphanitic Mafic Volcanic Rock (Basalt)) — igneous

Basalt River Pebble

Aphanitic Mafic Volcanic Rock (Basalt)