Rock Identifier

Category

Industrial Byproduct (Anthropogenic Rock)

Browse industrial byproduct (anthropogenic rock) specimens identified by the Rock Identifier community.

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

Basalt Beach Pebble

Basalt (Aphanitic Mafic Igneous Rock)

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

River Stone (Basalt)

Basalt (Aphanitic Mafic Igneous Rock)

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

Basalt

Basalt (Mafic Extrusive Igneous Rock)

igneous
Garnet-Bearing Schist (Almandine Garnet Schist) — metamorphic

Garnet-Bearing Schist

Almandine Garnet Schist

metamorphic
Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

sedimentary
Chert (or Flint) (Chert (cryptocrystalline quartz), SiO2) — Sedimentary

Chert (or Flint)

Chert (cryptocrystalline quartz), SiO2

Sedimentary
Hag Stone (Naturally holed stone (typically sedimentary rock such as flint, limestone, or sandstone)) — Sedimentary

Hag Stone

Naturally holed stone (typically sedimentary rock such as flint, limestone, or sandstone)

Sedimentary
Not a rock, mineral, or geological specimen — N/A

Not a rock, mineral, or geological specimen

N/A
Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

sedimentary
Desert Rose (Gypsum (variety Selenite) or Barite, CaSO4·2H2O) — mineral

Desert Rose

Gypsum (variety Selenite) or Barite, CaSO4·2H2O

mineral
Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

sedimentary
Variscite (or potentially a turquoise/variscite matrix cabochon, or an impression jasper) (AlPO4·2H2O (Variscite) or related phosphate/silicate material depending on exact composition) — Mineral

Variscite (or potentially a turquoise/variscite matrix cabochon, or an impression jasper)

AlPO4·2H2O (Variscite) or related phosphate/silicate material depending on exact composition

Mineral
Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

igneous
Basalt pebble (Basalt) — igneous

Basalt pebble

Basalt

igneous
Peridotite (Peridotite (primarily Olivine and Pyroxene)) — igneous

Peridotite

Peridotite (primarily Olivine and Pyroxene)

igneous
Basalt (Basalt (Mafic Extrusive)) — igneous

Basalt

Basalt (Mafic Extrusive)

igneous
Gneiss (Gneiss (High-grade Regional Metamorphism)) — metamorphic

Gneiss

Gneiss (High-grade Regional Metamorphism)

metamorphic
Basalt Pebble (Basalt) — igneous

Basalt Pebble

Basalt

igneous
River Stone (Basalt) (Basalt) — igneous

River Stone (Basalt)

Basalt

igneous
Granite (Granite) — Igneous

Granite

Granite

Igneous
Basalt River Pebbles (Mafic Volcanic Rock (主要成分: SiO2, MgO, FeO)) — igneous

Basalt River Pebbles

Mafic Volcanic Rock (主要成分: SiO2, MgO, FeO)

igneous
Quartz Crystal Point (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal Point

Silicon Dioxide (SiO2)

mineral
Serpentinite (Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)) — metamorphic

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)

metamorphic
Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

metamorphic
Granite (Granite (Phaneritic Quartz-Feldspar Plutonic Rock)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar Plutonic Rock)

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

Basalt

Basalt (dominated by plagioclase feldspar and pyroxene)

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

Basalt

Basalt (principally Plagioclase Feldspar and Pyroxene)

igneous
Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

metamorphic
Basalt with vesicles (Vesicular Basalt) — igneous

Basalt with vesicles

Vesicular Basalt

igneous
Granite with Epidote (Granite, containing quartz, feldspar, and epidote) — Igneous

Granite with Epidote

Granite, containing quartz, feldspar, and epidote

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

Basalt

Mafic Igneous Rock (primarily Plagioclase and Pyroxene)

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

Basalt

Basalt (primarily Plagioclase feldspar and Pyroxene)

igneous
Quartzite Cobble (Quartzite (primarily SiO2)) — metamorphic

Quartzite Cobble

Quartzite (primarily SiO2)

metamorphic
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)

igneous
Basalt with Calcite Veins (Aphanitic mafic volcanic rock with CaCO3 inclusions) — igneous

Basalt with Calcite Veins

Aphanitic mafic volcanic rock with CaCO3 inclusions

igneous
Basalt (Basalt) — igneous

Basalt

Basalt

igneous
Clear Quartz (Silicon dioxide (SiO2)) — mineral

Clear Quartz

Silicon dioxide (SiO2)

mineral
Unakite (Epidote-Rich Granite) (Unakite (Granite consisting of Orthoclase, Quartz, and Epidote)) — metamorphic

Unakite (Epidote-Rich Granite)

Unakite (Granite consisting of Orthoclase, Quartz, and Epidote)

metamorphic
Granodiorite (Gneissic Pebble) (Granodiorite displaying minor foliation) — igneous/metamorphic

Granodiorite (Gneissic Pebble)

Granodiorite displaying minor foliation

igneous/metamorphic
Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

metamorphic
Bauxite (Bauxite (Mixture of Hydrous Aluminum Oxides)) — sedimentary

Bauxite

Bauxite (Mixture of Hydrous Aluminum Oxides)

sedimentary
Basalt (River Stone) (Basalt) — igneous

Basalt (River Stone)

Basalt

igneous