Rock Identifier

Category

Mineral_rock

Browse mineral_rock specimens identified by the Rock Identifier community.

Lapis Lazuli (Tumbled) (Lazurite-dominated contact metamorphic rock) — metamorphic

Lapis Lazuli (Tumbled)

Lazurite-dominated contact metamorphic rock

Picture Jasper (Silicon Dioxide (SiO2) with iron oxide and organic impurities) — sedimentary

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide and organic impurities

Lava Rock (Basalt) (Basalt (extrusive igneous rock)) — igneous

Lava Rock (Basalt)

Basalt (extrusive igneous rock)

Sandstone (Sandstone (various mineral compositions)) — Sedimentary

Sandstone

Sandstone (various mineral compositions)

Granite (Weathered) (Plutonic Igneous Rock (Granitic)) — igneous

Granite (Weathered)

Plutonic Igneous Rock (Granitic)

Basalt (Mafic Extrusive Igneous Rock) — Igneous

Basalt

Mafic Extrusive Igneous Rock

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Granite (Granite (Silicic Plutonic Rock)) — igneous

Granite

Granite (Silicic Plutonic Rock)

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Gneiss (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Metamorphic Rock)

Ferruginous Sandstone (Gozzan) (Iron-rich clastic sedimentary rock with Limonite/Goethite) — sedimentary

Ferruginous Sandstone (Gozzan)

Iron-rich clastic sedimentary rock with Limonite/Goethite

Conglomerate (Clastic sedimentary rock (Puddingstone)) — sedimentary

Conglomerate

Clastic sedimentary rock (Puddingstone)

Dalmation Stone (frequently called Dalmatian Jasper) (Peralkaline Quartz-Feldspar Rock) — igneous

Dalmation Stone (frequently called Dalmatian Jasper)

Peralkaline Quartz-Feldspar Rock

Red Shale (Fissile Siliciclastic Sedimentary Rock) — sedimentary

Red Shale

Fissile Siliciclastic Sedimentary Rock

Blue Apatite (Apatite - Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite - Ca5(PO4)3(F,Cl,OH)

Red Sandstone (Arenite (predominantly Quartz with Hematite cementation)) — sedimentary

Red Sandstone

Arenite (predominantly Quartz with Hematite cementation)

Gneiss (Gneiss (a metamorphic rock)) — Metamorphic

Gneiss

Gneiss (a metamorphic rock)

Olivine in Basalt (Peridotite Xenolith) (Forsterite-rich Olivine (Mg2SiO4) in Aphanitic Basalt) — igneous

Olivine in Basalt (Peridotite Xenolith)

Forsterite-rich Olivine (Mg2SiO4) in Aphanitic Basalt

Conglomerate (Conglomerate (Clastic Sedimentary Rock)) — Sedimentary

Conglomerate

Conglomerate (Clastic Sedimentary Rock)

Chert (Brecciated Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Brecciated Chert)

Silicon Dioxide (SiO2)

Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Felsic Igneous Rock (Granite)

Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

Diorite (Polished Cobble) (Diorite (Intermediate intrusive igneous rock)) — Igneous

Diorite (Polished Cobble)

Diorite (Intermediate intrusive igneous rock)

Bauxite (Bauxite (Mixture including Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))) — sedimentary

Bauxite

Bauxite (Mixture including Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))

Bauxite (Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)) — sedimentary

Bauxite

Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)

Glauconitic Sandstone (Greensand) (Glauconitic Quartz Arenite (containing Glauconite, (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2)) — sedimentary

Glauconitic Sandstone (Greensand)

Glauconitic Quartz Arenite (containing Glauconite, (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2)

Limonite (Iron Ore) (Limonite (FeO(OH)·nH2O)) — Mineral

Limonite (Iron Ore)

Limonite (FeO(OH)·nH2O)

Gneiss (Banded Gneiss) (Gneiss) — metamorphic

Gneiss (Banded Gneiss)

Gneiss

Garnet Schist (Almandine Garnet Schist) — metamorphic

Garnet Schist

Almandine Garnet Schist

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

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

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Greywacke/Siltstone variant) (Arenite / Wacke (SiO2 with diverse mineral inclusions)) — sedimentary

Sandstone (Greywacke/Siltstone variant)

Arenite / Wacke (SiO2 with diverse mineral inclusions)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Lapis Lazuli (polished cabochon/sphere) (Na8[Al6Si6O24]Sn with accessory minerals (Pyrite, Calcite)) — metamorphic

Lapis Lazuli (polished cabochon/sphere)

Na8[Al6Si6O24]Sn with accessory minerals (Pyrite, Calcite)

Sandstone (with possibly iron oxides and other minerals) (Sandstone) — Sedimentary rock

Sandstone (with possibly iron oxides and other minerals)

Sandstone

Sedimentary rock

Diorite (River Cobble) (Phaneritic Intermediate Plutonic Rock) — igneous

Diorite (River Cobble)

Phaneritic Intermediate Plutonic Rock

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Anyolite (Ruby in Zoisite) (Zoisite with inclusions of Hornblende and Ruby (Ca2Al3(SiO4)3(OH))) — metamorphic

Anyolite (Ruby in Zoisite)

Zoisite with inclusions of Hornblende and Ruby (Ca2Al3(SiO4)3(OH))