Rock Identifier

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This Is Not A Rock Or Mineral

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

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Claystone

Claystone

Shale

Shale

Rock Salt

Rock Salt

Rock Gypsum

Rock Gypsum

Coral Rock

Coral Rock

Asphalt Rock

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Albite

Albite

Talc-carbonate Rock

Talc-carbonate Rock

Potassium Feldspar

Potassium Feldspar

Halite

Halite

Dolomite

Dolomite

Porphyritic Basalt (Leopard Palm Stone) (Porphyritic Mafic Volcanic Rock) — igneous

Porphyritic Basalt (Leopard Palm Stone)

Porphyritic Mafic Volcanic Rock

Pegmatite (Coarse-grained Igneous Rock (Granitic Pegmatite)) — igneous

Pegmatite

Coarse-grained Igneous Rock (Granitic Pegmatite)

Rough Ruby (Corundum (Al2O3 with Chromium impurities)) — mineral

Rough Ruby

Corundum (Al2O3 with Chromium impurities)

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

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Glauconite (Green Sandstone) (Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2) — sedimentary

Glauconite (Green Sandstone)

Glauconite (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2

Sandstone (Sandstone (clastic sedimentary rock)) — sedimentary

Sandstone

Sandstone (clastic sedimentary rock)

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

Quartz Vein on Matrix

Silicon Dioxide (SiO2)

Milky Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Stiped Slate Beach Pebble (Low-grade Metamorphic Slate with Quartz Vein (SiO2 on Phyllosilicate base)) — metamorphic

Stiped Slate Beach Pebble

Low-grade Metamorphic Slate with Quartz Vein (SiO2 on Phyllosilicate base)

Desert Rose (Baryte or Selenite) (Barium Sulfate (BaSO4) or Hydrous Calcium Sulfate (CaSO4·2H2O)) — mineral

Desert Rose (Baryte or Selenite)

Barium Sulfate (BaSO4) or Hydrous Calcium Sulfate (CaSO4·2H2O)

Sandstone with Quartz Veining (Arenite with SiO2 veins) — sedimentary

Sandstone with Quartz Veining

Arenite with SiO2 veins

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Turquoise (CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)

Epidosite (Unakite-related) (Epidosite (composed primarily of Epidote and Quartz)) — metamorphic

Epidosite (Unakite-related)

Epidosite (composed primarily of Epidote and Quartz)

Gneiss (with iron staining) (Gneiss) — metamorphic

Gneiss (with iron staining)

Gneiss

Calcite on Limestone (Calcium Carbonate (CaCO3) on Sedimentary Rock) — mineral

Calcite on Limestone

Calcium Carbonate (CaCO3) on Sedimentary Rock

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Amygdaloidal Basalt with Epidote (Amygdaloidal Basalt (Mafic volcanic rock)) — igneous

Amygdaloidal Basalt with Epidote

Amygdaloidal Basalt (Mafic volcanic rock)

Geode with Quartz and Chalcedony (Silicon Dioxide (SiO2)) — sedimentary

Geode with Quartz and Chalcedony

Silicon Dioxide (SiO2)

Serpentinite (Serpentinite (group of minerals: Antigorite, Lizardite, Chrysotile)) — metamorphic

Serpentinite

Serpentinite (group of minerals: Antigorite, Lizardite, Chrysotile)

Schist (Mica Schist (Metamorphic Rock)) — metamorphic

Schist

Mica Schist (Metamorphic Rock)

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

Quartz (Druzy)

Silicon Dioxide (SiO2)

African Turquoise (Jasper) (Polychrome African Jasper (often marketed as 'African Turquoise' due to its color, but it is not true turquoise)) — Rock

African Turquoise (Jasper)

Polychrome African Jasper (often marketed as 'African Turquoise' due to its color, but it is not true turquoise)

Garnet (Almandine (Fe3Al2(SiO4)3)) — mineral

Garnet

Almandine (Fe3Al2(SiO4)3)

Amethyst (Tumbled Chips) (Amethyst (Silicon Dioxide with Iron impurities, SiO2)) — mineral

Amethyst (Tumbled Chips)

Amethyst (Silicon Dioxide with Iron impurities, SiO2)

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

Sandstone (Red Sandstone)

Arenite (predominantly SiO2 with Fe2O3 cement)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Garnet Gneiss (Gneiss containing almandine-pyrope garnet) — metamorphic

Garnet Gneiss

Gneiss containing almandine-pyrope garnet

Pink Granite (Felsic intrusive igneous rock (Quartz, K-feldspar, Plagioclase)) — igneous

Pink Granite

Felsic intrusive igneous rock (Quartz, K-feldspar, Plagioclase)

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

Green Quartz (Prasiolite) (Silicon Dioxide (SiO2) with trace impurities) — mineral

Green Quartz (Prasiolite)

Silicon Dioxide (SiO2) with trace impurities

Moss Agate and Druzy Quartz Carving (Cryptocrystalline Silica (SiO2) with impurities) — mineral

Moss Agate and Druzy Quartz Carving

Cryptocrystalline Silica (SiO2) with impurities

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Sandstone (Fossiliferous) (Arenite / Clastic Sedimentary Rock) — sedimentary

Sandstone (Fossiliferous)

Arenite / Clastic Sedimentary Rock

Thunderegg (specifically a Jasper/Agate-filled Geode nodule) (Silicon Dioxide (SiO2) within Rhyolitic Matrix) — igneous

Thunderegg (specifically a Jasper/Agate-filled Geode nodule)

Silicon Dioxide (SiO2) within Rhyolitic Matrix

Ferruginous Sandstone (Red Sandstone) (Arenite with Hematite/Limonite cement) — sedimentary

Ferruginous Sandstone (Red Sandstone)

Arenite with Hematite/Limonite cement

Diamond in Kimberlite (Kimberlite host rock with C (Carbon) inclusion) — igneous

Diamond in Kimberlite

Kimberlite host rock with C (Carbon) inclusion

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite