Rock Identifier

Category

Not A Rock (Man Made Polymer)

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

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

Rock Gypsum

Coral Rock

Rock Salt

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Opalite

Map Jasper

Goldstone

Anorthosite

Gondite

Dunite

Sandstone (River Cobble) (Clastic Sandstone (SiO2 with accessory minerals)) — sedimentary

Sandstone (River Cobble)

Clastic Sandstone (SiO2 with accessory minerals)

Basalt (Extrusive igneous rock) — igneous

Basalt

Extrusive igneous rock

Basalt (Extrusive igneous rock) — igneous

Basalt

Extrusive igneous rock

Porphyry (Rhyolite or Andesite Porphyry) (Porphyritic Igneous Rock) — igneous

Porphyry (Rhyolite or Andesite Porphyry)

Porphyritic Igneous Rock

Conglomerate (Conglomeratic Sandstone) — sedimentary

Conglomerate

Conglomeratic Sandstone

Basalt (Mafic Igneous Rock (Basalt)) — igneous

Basalt

Mafic Igneous Rock (Basalt)

Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

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

Sandstone

Arenite (composed mainly of SiO2)

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

River Stone (likely Andesite or Siltstone) (Intermediate Volcanic Rock / Fine-grained Sedimentary Rock) — igneous

River Stone (likely Andesite or Siltstone)

Intermediate Volcanic Rock / Fine-grained Sedimentary Rock

Red Sandstone (Arenite (with Iron Oxide)) — sedimentary

Red Sandstone

Arenite (with Iron Oxide)

Pink Himalayan Salt Rock (Halite (NaCl with trace iron oxide minerals)) — mineral

Pink Himalayan Salt Rock

Halite (NaCl with trace iron oxide minerals)

Sandstone with Quartz Sphere (Arenite (SiO2-rich sedimentary rock) with Quartzite/Rose Quartz sphere) — sedimentary

Sandstone with Quartz Sphere

Arenite (SiO2-rich sedimentary rock) with Quartzite/Rose Quartz sphere

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Jasper with Purple Fluorite or Chalcedony (Silicon Dioxide (SiO2) with mineral inclusions) — sedimentary

Jasper with Purple Fluorite or Chalcedony

Silicon Dioxide (SiO2) with mineral inclusions

Desert Varnish on Sandstone (Quartz Arenite with Iron-Manganese Oxide Coating) — sedimentary

Desert Varnish on Sandstone

Quartz Arenite with Iron-Manganese Oxide Coating

Gravel (Unconsolidated rock fragments / detrital sediment) — sedimentary

Gravel

Unconsolidated rock fragments / detrital sediment

Shale with Iron Staining (Fissile Mudrock (Sedimentary Rock)) — sedimentary

Shale with Iron Staining

Fissile Mudrock (Sedimentary Rock)

Sandstone and Mixed Rock Assemblage (Clastic Sedimentary Rock / Quartz Arenite) — sedimentary

Sandstone and Mixed Rock Assemblage

Clastic Sedimentary Rock / Quartz Arenite

Dark weathered pebble, likely basalt (Basalt (fine-grained mafic volcanic rock; typically plagioclase, pyroxene, and olivine)) — igneous

Dark weathered pebble, likely basalt

Basalt (fine-grained mafic volcanic rock; typically plagioclase, pyroxene, and olivine)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Basalt (Basalt (principally Plagioclase Feldspar and Pyroxene)) — igneous

Basalt

Basalt (principally Plagioclase Feldspar and Pyroxene)

Basalt pebble (Basalt) — igneous

Basalt pebble

Basalt

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

Basalt River Pebble

Basalt (extrusive volcanic rock)

Basalt (Basalt (Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Extrusive Igneous Rock)

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

Basalt Pebble

Basalt (Mafic Extrusive Volcanic Rock)

Basalt River Pebble (Basalt) — igneous

Basalt River Pebble

Basalt

Vesicular Basalt (Amygdaloidal Basalt) (Extrusive Mafic Igneous Rock) — igneous

Vesicular Basalt (Amygdaloidal Basalt)

Extrusive Mafic Igneous Rock

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

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

Basalt pebble

Basalt (Mafic volcanic rock)

Basalt (Basalt (extrusive volcanic rock)) — igneous

Basalt

Basalt (extrusive volcanic rock)

Basalt (River Pebble) (Extrusive mafic igneous rock) — igneous

Basalt (River Pebble)

Extrusive mafic igneous rock

Basalt (Basalt) — igneous

Basalt

Basalt

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

Basalt (River Stone)

Basalt (Mafic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt with Oxidized Inclusions (Extrusive Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt with Oxidized Inclusions

Extrusive Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Basalt (Mafic volcanic rock (Basalt)) — igneous

Basalt

Mafic volcanic rock (Basalt)

Basalt (Phaneritic or Diabase) (Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)) — igneous

Basalt (Phaneritic or Diabase)

Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)

Basalt (with possible epidote or olivine) (Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt (with possible epidote or olivine)

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

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

Basalt River Pebble

Basalt (Mafic volcanic rock)