Rock Identifier

Category

Man Made Rock (Technosol)

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

Learn about Man Made Rock (Technosol) 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

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Mixed River Pebbles and Jasper (Siliciclastic sediment and microcrystalline quartz) — sedimentary

Mixed River Pebbles and Jasper

Siliciclastic sediment and microcrystalline quartz

Chalcedony / Agate Pebble (Silicon Dioxide (SiO2)) — mineral

Chalcedony / Agate Pebble

Silicon Dioxide (SiO2)

Sandstone (with secondary weathering/concretion) (Arenite (composed primarily of Quartz, SiO2)) — sedimentary

Sandstone (with secondary weathering/concretion)

Arenite (composed primarily of Quartz, SiO2)

Granite Pebble (Felsic Igneous Rock (Granitic composition)) — igneous

Granite Pebble

Felsic Igneous Rock (Granitic composition)

Conglomerate (with Jasper pebble) (Conglomerate / Microcrystalline Quartz (Jasper)) — sedimentary

Conglomerate (with Jasper pebble)

Conglomerate / Microcrystalline Quartz (Jasper)

K2 Jasper (Beads) (Granodiorite with Azurite and Malachite) — igneous

K2 Jasper (Beads)

Granodiorite with Azurite and Malachite

River Stone (Sandstone with Oxide Banding) (Arenite with Iron/Manganese Oxide inclusions) — sedimentary

River Stone (Sandstone with Oxide Banding)

Arenite with Iron/Manganese Oxide inclusions

Quartz (Milky Quartz vein fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz vein fragment)

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz on Matrix (Silicon Dioxide (SiO2)) — mineral

Quartz on Matrix

Silicon Dioxide (SiO2)

Sedimentary River Rock (Siliciclastic Sedimentary Rock (Quartzite or Sandstone pebble)) — sedimentary

Sedimentary River Rock

Siliciclastic Sedimentary Rock (Quartzite or Sandstone pebble)

Note: Item is not a geological specimen (n/a) — none

Note: Item is not a geological specimen

n/a

Weathered mafic rock, likely basalt (Basalt; primarily plagioclase feldspar, clinopyroxene, and commonly olivine or magnetite) — igneous

Weathered mafic rock, likely basalt

Basalt; primarily plagioclase feldspar, clinopyroxene, and commonly olivine or magnetite

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite Pebble (Phaneritic intrusive igneous rock) — igneous

Granite Pebble

Phaneritic intrusive igneous rock

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

Granite

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

Granite Gneiss (Granitic Gneiss) — Metamorphic

Granite Gneiss

Granitic Gneiss

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

Sandstone (likely Quartzose Sandstone)

Arenite (SiO2 based)

Banded Gneiss (Gneiss (high-grade metamorphic silicate rock)) — metamorphic

Banded Gneiss

Gneiss (high-grade metamorphic silicate rock)

Chalcedony Geode Fragment (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chalcedony Geode Fragment

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Pumice (Pumice (Volcanic Rock)) — igneous

Pumice

Pumice (Volcanic Rock)

Quartz Pebble with Host Rock / Schist Matrix (Silicon Dioxide (SiO2) with Metamorphic Host Rock) — sedimentary

Quartz Pebble with Host Rock / Schist Matrix

Silicon Dioxide (SiO2) with Metamorphic Host Rock

Pebble (Clast (specifically a granule or small pebble)) — Sedimentary

Pebble

Clast (specifically a granule or small pebble)

Vesicular Basalt (Basalt with vesicular texture) — igneous

Vesicular Basalt

Basalt with vesicular texture

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

Granite

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

Granite (Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)

Granite (Felsic Plutonic Rock (Granite)) — igneous

Granite

Felsic Plutonic Rock (Granite)

Unidentified small rocks or gravel — sedimentary

Unidentified small rocks or gravel

Shale (Sedimentary pelitic rock) — sedimentary

Shale

Sedimentary pelitic rock

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Quartz crystal (Quartz (Silicon dioxide, SiO2)) — mineral

Quartz crystal

Quartz (Silicon dioxide, SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Starfish Fossil (Asteroidea fossil) — fossil

Starfish Fossil

Asteroidea fossil

Gravel and Sand Aggregate (Unconsolidated Clastic Sediment) — sedimentary

Gravel and Sand Aggregate

Unconsolidated Clastic Sediment

Vesicular Basalt (Vesicular Basalt (Mafic Extrusive)) — igneous

Vesicular Basalt

Vesicular Basalt (Mafic Extrusive)

Granodiorite (Granodiorite (containing Quartz, Plagioclase, Orthoclase, Biotite/Hornblende)) — igneous

Granodiorite

Granodiorite (containing Quartz, Plagioclase, Orthoclase, Biotite/Hornblende)

Basalt (Basalt) — Igneous

Basalt

Basalt