Rock Identifier

Category

Not A Rock Or Mineral (Anthropogenic Material)

Browse not a rock or mineral (anthropogenic material) specimens identified by the Rock Identifier community.

Learn about Not A Rock Or Mineral (Anthropogenic Material) in the encyclopedia

Rock Salt

Rock Gypsum

Coral Rock

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Halite

Dolomite

Gypsum

Coal

Peat

Dunite

Dalmatian Jasper (Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)) — igneous

Dalmatian Jasper

Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)

Sandstone (likely Arkosic) (Arenite (SiO2 with KAlSi3O8)) — sedimentary

Sandstone (likely Arkosic)

Arenite (SiO2 with KAlSi3O8)

Jasper and Basalt Pebble (Polymineralic lithic pebble) — igneous and sedimentary

Jasper and Basalt Pebble

Polymineralic lithic pebble

igneous and sedimentary

Sandstone (Ferruginous) (Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)) — sedimentary

Sandstone (Ferruginous)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)

Sandstone (likely Arkosic or Lithic) (Clastic Sedimentary Rock (SiO2 with accessory minerals)) — sedimentary

Sandstone (likely Arkosic or Lithic)

Clastic Sedimentary Rock (SiO2 with accessory minerals)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Sandstone (with Iron Staining) (Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)

Sandstone (Banded) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Banded)

Clastic Sedimentary Rock (primarily SiO2)

Carved serpentine wing sculpture (Serpentine-group rock, chiefly antigorite/lizardite: Mg3Si2O5(OH)4) — metamorphic

Carved serpentine wing sculpture

Serpentine-group rock, chiefly antigorite/lizardite: Mg3Si2O5(OH)4

Quartz (Smoky/Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Rock Crystal)

Silicon Dioxide (SiO2)

Sandstone (likely Arkosic or Quartzose) (Sandstone (SiO2 dominated)) — sedimentary

Sandstone (likely Arkosic or Quartzose)

Sandstone (SiO2 dominated)

Sandstone (Quartzite Pebble) (Arenite (SiO2)) — sedimentary

Sandstone (Quartzite Pebble)

Arenite (SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Granitic Gneiss Pebble (Gneiss (felsic metamorphic rock)) — metamorphic

Granitic Gneiss Pebble

Gneiss (felsic metamorphic rock)

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

Sandstone (Weathered)

Arenite (primarily SiO2)

Sandstone (clastic) (Clastic Sedimentary Rock (primarily composed of SiO2)) — sedimentary

Sandstone (clastic)

Clastic Sedimentary Rock (primarily composed of SiO2)

Jasper (Silicon Dioxide (Microcrystalline Quartz, $SiO_2$)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz, $SiO_2$)

Bauxite / Iron-rich Laterite (Laterite (principally Al(OH)3, Fe2O3, and SiO2)) — sedimentary

Bauxite / Iron-rich Laterite

Laterite (principally Al(OH)3, Fe2O3, and SiO2)

Sandstone (Pebble) (Sandstone (principally SiO2 with iron oxide impurities)) — sedimentary

Sandstone (Pebble)

Sandstone (principally SiO2 with iron oxide impurities)

Veined Pebble (Septarian or Quartz-Veined Chert/Basalt) (Silicon Dioxide (SiO2) veins in matrix) — sedimentary

Veined Pebble (Septarian or Quartz-Veined Chert/Basalt)

Silicon Dioxide (SiO2) veins in matrix

Fossilized Bone Fragment (Permineralized Vertebrate Fossil (Hydroxyapatite replaced by Minerals)) — sedimentary

Fossilized Bone Fragment

Permineralized Vertebrate Fossil (Hydroxyapatite replaced by Minerals)

Sandstone (with Laminations) (Clastic sedimentary rock (primarily Quartz-based)) — sedimentary

Sandstone (with Laminations)

Clastic sedimentary rock (primarily Quartz-based)

Sandstone (Red Sandstone) (Arenite (SiO2 based with Fe2O3 staining)) — sedimentary

Sandstone (Red Sandstone)

Arenite (SiO2 based with Fe2O3 staining)

Sandstone (with Iron Staining) (Arenite) — sedimentary

Sandstone (with Iron Staining)

Arenite

Sandstone (Fossiliferous) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Fossiliferous)

Clastic Sedimentary Rock (primarily SiO2)

Sandstone (Arenite (SiO2 based with cement)) — sedimentary

Sandstone

Arenite (SiO2 based with cement)

Sandstone (likely Fossiliferous) (Arenite / Fossiliferous Sandstone (SiO2 composition)) — sedimentary

Sandstone (likely Fossiliferous)

Arenite / Fossiliferous Sandstone (SiO2 composition)

Sandstone (Sandstone (clastic sedimentary rock composite)) — sedimentary

Sandstone

Sandstone (clastic sedimentary rock composite)

Sandstone (with Iron Staining) (Clastic Sedimentary Rock (primarily Quartz with Fe2O3 staining)) — sedimentary

Sandstone (with Iron Staining)

Clastic Sedimentary Rock (primarily Quartz with Fe2O3 staining)

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

Sandstone (Quartzose Sandstone)

Arenite (composed primarily of SiO2)

Basalt (Glassy) (Basalt (Aphanitic-Glassy texture)) — igneous

Basalt (Glassy)

Basalt (Aphanitic-Glassy texture)

Sandstone (Sedimentary Rock (Quartz Arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Arenite)

Sandstone nugget (Arenite (primarily Quartz SiO2)) — sedimentary

Sandstone nugget

Arenite (primarily Quartz SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Titanium Quartz (Aura Quartz) (Silicon Dioxide (SiO2) treated with Titanium) — mineral

Titanium Quartz (Aura Quartz)

Silicon Dioxide (SiO2) treated with Titanium

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Crushed Stone / Gravel (Aggregate (mixed lithology)) — sedimentary

Crushed Stone / Gravel

Aggregate (mixed lithology)

Sandstone (Sandstone (principally SiO2/Silicon Dioxide)) — sedimentary

Sandstone

Sandstone (principally SiO2/Silicon Dioxide)

Asphalt aggregate (crushed stone in bitumen) (Artificial composite; predominantly crushed granite, basalt, limestone, and/or recycled aggregate bound by bitumen) — sedimentary

Asphalt aggregate (crushed stone in bitumen)

Artificial composite; predominantly crushed granite, basalt, limestone, and/or recycled aggregate bound by bitumen

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Red Sandstone (Ferruginous Sandstone (SiO2 with Fe2O3)) — sedimentary

Red Sandstone

Ferruginous Sandstone (SiO2 with Fe2O3)