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

Sandstone (Arenite (composed mainly of SiO2)) — sedimentary

Sandstone

Arenite (composed mainly of SiO2)

Sandstone (Quartz-rich) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartz-rich)

Arenite (primarily SiO2)

Sandstone (Clastic sedimentary rock) — sedimentary

Sandstone

Clastic sedimentary rock

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

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Schist (Schist (Metamorphic Rock)) — metamorphic

Schist

Schist (Metamorphic Rock)

Sandstone with Liesegang Rings (Arenite with Iron Oxide Concretions) — sedimentary

Sandstone with Liesegang Rings

Arenite with Iron Oxide Concretions

Sandstone (Calcareous/Lithic) (Sedimentary Rock (Clastic Sandstone with Calcium Carbonate cement)) — sedimentary

Sandstone (Calcareous/Lithic)

Sedimentary Rock (Clastic Sandstone with Calcium Carbonate cement)

Sandstone (Arenite (SiO2 principal component)) — sedimentary

Sandstone

Arenite (SiO2 principal component)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 predominantly)) — sedimentary

Sandstone

Arenite (SiO2 predominantly)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Likely weathered metallic mineral or slag fragment (Indeterminate; possibly iron-rich sulfide/oxide material or industrial slag) — mineral

Likely weathered metallic mineral or slag fragment

Indeterminate; possibly iron-rich sulfide/oxide material or industrial slag

Tumbled serpentine with dark magnetite/chromite matrix (Serpentinite; chiefly antigorite/lizardite, Mg3Si2O5(OH)4, with magnetite and possibly chromite) — metamorphic

Tumbled serpentine with dark magnetite/chromite matrix

Serpentinite; chiefly antigorite/lizardite, Mg3Si2O5(OH)4, with magnetite and possibly chromite

Sandstone (Clastic sedimentary rock (Quartz arenite / Arkose)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite / Arkose)

Sandstone (with iron staining) (Quartz Arenite / Ferruginous Sandstone) — sedimentary

Sandstone (with iron staining)

Quartz Arenite / Ferruginous Sandstone

Sandstone (Quartzose Sandstone) (Sandstone (SiO2 dominant composition)) — sedimentary

Sandstone (Quartzose Sandstone)

Sandstone (SiO2 dominant composition)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Ferro-Manganese Slag (Vitreous Silicate Slag) — Anthropogenic (Industrial byproduct)

Ferro-Manganese Slag

Vitreous Silicate Slag

Anthropogenic (Industrial byproduct)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Amygdaloidal Basalt with Quartz (Basalt with Secondary Mineral Infilling) — igneous

Amygdaloidal Basalt with Quartz

Basalt with Secondary Mineral Infilling

Basalt Breccia (Volcanic Breccia (composed of basaltic clasts in a fine-grained matrix)) — igneous

Basalt Breccia

Volcanic Breccia (composed of basaltic clasts in a fine-grained matrix)

Sandstone (Sandstone (SiO2 dominated)) — sedimentary

Sandstone

Sandstone (SiO2 dominated)

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

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Quartz Veined Mudstone (Metasedimentary rock with Quartz (SiO2) veins) — metamorphic

Quartz Veined Mudstone

Metasedimentary rock with Quartz (SiO2) veins

Sandstone (likely Arkosic or Lithic Sandstone) (Arenite (SiO2 based with mineral inclusions)) — sedimentary

Sandstone (likely Arkosic or Lithic Sandstone)

Arenite (SiO2 based with mineral inclusions)

Sandstone (Arenite (specifically Quartz Arenite)) — sedimentary

Sandstone

Arenite (specifically Quartz Arenite)

Quartz cluster, possibly druzy quartz on matrix (Quartz (SiO₂), likely microcrystalline to coarse crystalline; associated matrix uncertain) — mineral

Quartz cluster, possibly druzy quartz on matrix

Quartz (SiO₂), likely microcrystalline to coarse crystalline; associated matrix uncertain

Jasper (Silicon Dioxide (Microcrystalline Quartz, SiO2)) — mineral

Jasper

Silicon Dioxide (Microcrystalline Quartz, SiO2)

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

Sandstone

Arenite (composed primarily of SiO2)

Quartz (River Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Granite Sand (Decomposed Granite) (Grus / Quartz-Feldspar Detritus) — sedimentary

Granite Sand (Decomposed Granite)

Grus / Quartz-Feldspar Detritus

Sandstone (Arenite (typically SiO2 based)) — sedimentary

Sandstone

Arenite (typically SiO2 based)

Sandstone (with potential Concretion or Fossil fragment) (Arenite (primarily SiO2)) — sedimentary

Sandstone (with potential Concretion or Fossil fragment)

Arenite (primarily SiO2)