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

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Basalt pebble (Aphanitic Mafic Igneous Rock) — igneous

Basalt pebble

Aphanitic Mafic 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)

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

Basalt Fragment

Basalt (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 River Pebble (Basalt) — igneous

Basalt River Pebble

Basalt

Basalt with Olivine Phenocrysts (Aphanitic Mafic Volcanic Rock (Basalt)) — igneous

Basalt with Olivine Phenocrysts

Aphanitic Mafic Volcanic Rock (Basalt)

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

Basalt Beach Pebble

Basalt (Mafic volcanic rock)

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

Basalt

Aphanitic Mafic Volcanic Rock (Fe/Mg rich)

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 (Aphanitic Mafic Volcanic Rock)) — igneous

Basalt River Stone

Basalt (Aphanitic Mafic Volcanic Rock)

Basalt Pebble (Aphanitic Mafic Igneous Rock) — igneous

Basalt Pebble

Aphanitic Mafic Igneous Rock

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

Basalt (River Pebble)

Extrusive mafic igneous rock

Basalt (River Pebble) (Extrusive Mafic Igneous Rock) — igneous

Basalt (River Pebble)

Extrusive Mafic Igneous Rock

Basalt with Quartz/Calcite vein (Basalt (Mafic Igneous Rock)) — igneous

Basalt with Quartz/Calcite vein

Basalt (Mafic Igneous Rock)

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

Basalt

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt (with possible iron oxide staining) (Mafic Igneous Rock (primarily Plagioclase and Pyroxene)) — igneous

Basalt (with possible iron oxide staining)

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

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

Basalt River Cobble

Basalt (Mafic Igneous Rock)

Vesicular Basalt (Extrusive mafic igneous rock) — igneous

Vesicular Basalt

Extrusive mafic igneous rock

Gray Basalt Cobble (Basalt) — igneous

Gray Basalt Cobble

Basalt

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt River Pebble (Aphanitic Mafic Volcanic Rock) — igneous

Basalt River Pebble

Aphanitic Mafic Volcanic Rock

Basalt (Vesicular/Amygdaloidal) (Basalt) — igneous

Basalt (Vesicular/Amygdaloidal)

Basalt

Basalt (Africite (Mafic Igneous Rock)) — igneous

Basalt

Africite (Mafic Igneous Rock)

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

Basalt River Cobble

Basalt (Mafic Igneous Rock)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

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

Basalt Beach Pebble

Basalt (Aphanitic Mafic Volcanic Rock)

Basalt (with Brass Inlay) (Basalt (Mafic volcanic rock)) — igneous

Basalt (with Brass Inlay)

Basalt (Mafic volcanic rock)

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

Basalt

Basalt (principally Plagioclase Feldspar and Pyroxene)

Basalt (Basalt (dominated by plagioclase feldspar and pyroxene)) — igneous

Basalt

Basalt (dominated by plagioclase feldspar and pyroxene)

Basalt with vesicles (Vesicular Basalt) — igneous

Basalt with vesicles

Vesicular Basalt

Basalt (Basalt (primarily Plagioclase feldspar and Pyroxene)) — igneous

Basalt

Basalt (primarily Plagioclase feldspar and Pyroxene)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt pebble (Basalt) — igneous

Basalt pebble

Basalt

Basalt (Water-worn) (Aphanitic Mafic Igneous Rock) — Igneous

Basalt (Water-worn)

Aphanitic Mafic Igneous Rock