Rock Identifier

Category

Not A Rock Or Mineral

Browse not a rock or mineral specimens identified by the Rock Identifier community.

Learn about Not A Rock Or Mineral in the encyclopedia

Claystone

Shale

Rock Salt

Rock Gypsum

Coral Rock

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Albite

Potassium Feldspar

Potassium Feldspar

Halite

Dolomite

Tektite (Impactite (Natural Silicate Glass)) — meteorite

Tektite

Impactite (Natural Silicate Glass)

Painted Sandstone (Sandstone (clastic sedimentary rock) with acrylic/artistic coating) — sedimentary

Painted Sandstone

Sandstone (clastic sedimentary rock) with acrylic/artistic coating

Halite (Sodium Chloride (NaCl)) — mineral

Halite

Sodium Chloride (NaCl)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Banded Igneous Dike Rock (Intrusive igneous rock with felsic/mafic banding) — igneous

Banded Igneous Dike Rock

Intrusive igneous rock with felsic/mafic banding

Quartz Vein in Sedimentary Rock (Silicon Dioxide (SiO2) with host Chert or Limestone) — mineral

Quartz Vein in Sedimentary Rock

Silicon Dioxide (SiO2) with host Chert or Limestone

Rough turquoise-bearing rock (probable turquoise matrix) (Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O, likely in a host-rock matrix) — mineral

Rough turquoise-bearing rock (probable turquoise matrix)

Turquoise, CuAl₆(PO₄)₄(OH)₈·4H₂O, likely in a host-rock matrix

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Serpentinite (Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite: (Mg,Fe)3Si2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite: (Mg,Fe)3Si2O5(OH)4)

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

Quartz Crystal Cluster on Matrix

Silicon Dioxide (SiO2)

Agate (Silicon Dioxide (SiO2) - variety Chalcedony) — mineral

Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

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

Red Sandstone

Arenite (SiO2 with Fe2O3)

Shale (Lutaceous sedimentary rock) — sedimentary

Shale

Lutaceous sedimentary rock

Shark Tooth Fossil (Vertebrate fossilized tooth) — fossil

Shark Tooth Fossil

Vertebrate fossilized tooth

Wishing Stone (Basalt/Metabasalt with Quartz-Feldspar Vein) (Veined Metabasalt / Veined Greywacke) — metamorphic

Wishing Stone (Basalt/Metabasalt with Quartz-Feldspar Vein)

Veined Metabasalt / Veined Greywacke

Sandstone (Sedimentary rock composed mainly of quartz sand) — sedimentary

Sandstone

Sedimentary rock composed mainly of quartz sand

Bivalve Seashell Fossil (Class Bivalvia) — fossil

Bivalve Seashell Fossil

Class Bivalvia

Fossilized Bone (Permineralized Vertebrate Bone) — fossil

Fossilized Bone

Permineralized Vertebrate Bone

Banded Gneiss (Gneiss (Foliated Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Foliated Metamorphic Rock)

Sandstone (Ferruginous) (Arenite with Iron Oxide (Limonite/Hematite) coating) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron Oxide (Limonite/Hematite) coating

Sandstone (Clastic sedimentary rock (Quartz arenite or arkose)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite or arkose)

Chrysocolla on Matrix (Hydrated copper silicates ((Cu,Al)2H2Si2O5(OH)4·nH2O)) — mineral

Chrysocolla on Matrix

Hydrated copper silicates ((Cu,Al)2H2Si2O5(OH)4·nH2O)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Quartz Druzy (Crystalline Silicon Dioxide (SiO2)) — mineral

Quartz Druzy

Crystalline Silicon Dioxide (SiO2)

Tumbled Stone (Silicon dioxide / Various silicates) — mineral

Tumbled Stone

Silicon dioxide / Various silicates

Quartz-veined Metamorphic Rock (Quartz Vein in Phyllite or Schist (SiO2 in Silicate Matrix)) — metamorphic

Quartz-veined Metamorphic Rock

Quartz Vein in Phyllite or Schist (SiO2 in Silicate Matrix)

Banded River Rock with Quartz Vein (Siltstone/Greywacke with Quartz (SiO2)) — sedimentary

Banded River Rock with Quartz Vein

Siltstone/Greywacke with Quartz (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (predominantly SiO2 quartz grains)) — sedimentary

Sandstone

Arenite (predominantly SiO2 quartz grains)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Basalt (Aphanitic Mafic Igneous Rock) — igneous

Basalt

Aphanitic Mafic Igneous Rock

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Quartz Vein Rock (Silicon dioxide (SiO2) within a host rock matrix) — mineral

Quartz Vein Rock

Silicon dioxide (SiO2) within a host rock matrix

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive igneous rock) — igneous

Granite

Intrusive igneous rock

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

Quartz on Matrix

Silicon Dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Quartz (Druzy) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy)

Silicon Dioxide (SiO2)

Shale (Shale (Fine-grained clastic sedimentary rock)) — sedimentary

Shale

Shale (Fine-grained clastic sedimentary rock)

Sandstone Pebble (Sedimentary Rock (Quartzose Sandstone)) — sedimentary

Sandstone Pebble

Sedimentary Rock (Quartzose Sandstone)