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

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite Cobble (Granite) — igneous

Granite Cobble

Granite

Coarse-grained Granite or Gneiss (Granitic intrusive rock) — igneous

Coarse-grained Granite or Gneiss

Granitic intrusive rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Basaltic Mafic Rock) — igneous

Basalt

Basaltic Mafic Rock

Granite (Plutonic felsic igneous rock) — igneous

Granite

Plutonic felsic igneous rock

Granite (Plutonic felsic igneous rock) — igneous

Granite

Plutonic felsic igneous rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Concretion (Various mineral compositions, typically carbonate or iron oxide cemented sediment) — Sedimentary

Concretion

Various mineral compositions, typically carbonate or iron oxide cemented sediment

Granite (Intrusive igneous rock) — igneous

Granite

Intrusive igneous rock

Granite (Plutonic Igneous Rock) — igneous

Granite

Plutonic Igneous Rock

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

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

Sandstone (Quartzose Sandstone)

Arenite (primarily SiO2)

Quartz Pebble (Iron-Stained) (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble (Iron-Stained)

Silicon Dioxide (SiO2)

Unidentified gray stone (Likely quartz-rich stone; exact identification is not possible from the image) — mineral

Unidentified gray stone

Likely quartz-rich stone; exact identification is not possible from the image

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Granite) — igneous

Granite

Granite

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Gneiss (Gneiss (a metamorphic rock)) — Metamorphic

Gneiss

Gneiss (a metamorphic rock)

Basalt River Stone (Extrusive Igneous Rock) — igneous

Basalt River Stone

Extrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Small pale rock fragment (Indeterminate; possibly quartz, calcite, or a weathered feldspar-rich fragment) — mineral

Small pale rock fragment

Indeterminate; possibly quartz, calcite, or a weathered feldspar-rich fragment

Quartz (on matrix) (Quartz (Silicon Dioxide, SiO₂)) — Mineral

Quartz (on matrix)

Quartz (Silicon Dioxide, SiO₂)

Ferruginous Sandstone (Ironstone Nodules) (Ferruginous Quartz-Arenite (with Goethite/Hematite cement)) — sedimentary

Ferruginous Sandstone (Ironstone Nodules)

Ferruginous Quartz-Arenite (with Goethite/Hematite cement)

Massive Quartz (Milky or Gray) (Silicon Dioxide (SiO2)) — mineral

Massive Quartz (Milky or Gray)

Silicon Dioxide (SiO2)

Red Sandstone Pebble (Sedimentary quartz sandstone) — sedimentary

Red Sandstone Pebble

Sedimentary quartz sandstone

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Red Granite Pebble (Intrusive Felsic Igneous Rock (Granite)) — igneous

Red Granite Pebble

Intrusive Felsic Igneous Rock (Granite)