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

Granite (Granite) — igneous

Granite

Granite

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Jasper (Silicon dioxide (Microcrystalline quartz, SiO2)) — mineral

Jasper

Silicon dioxide (Microcrystalline quartz, SiO2)

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

Quartz (Druzy/Crystalline)

Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Banded Sandstone / Quartzite Pebble (Sedimentary quartz arenite with liesegang banding) — sedimentary

Banded Sandstone / Quartzite Pebble

Sedimentary quartz arenite with liesegang banding

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Limestone with Quartz or Calcite Veining (Calcium Carbonate (CaCO3) matrix with SiO2 or CaCO3 inclusions) — sedimentary

Limestone with Quartz or Calcite Veining

Calcium Carbonate (CaCO3) matrix with SiO2 or CaCO3 inclusions

Granite (Felsic Plutonic Rock) — igneous

Granite

Felsic Plutonic Rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Jasper with Quartz inclusions (Silicon Dioxide (SiO2)) — sedimentary

Jasper with Quartz inclusions

Silicon Dioxide (SiO2)

Iron-stained Quartz (Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)) — mineral

Iron-stained Quartz

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)

Gneiss (Banded Metamorphic Rock (Gneiss)) — metamorphic

Gneiss

Banded Metamorphic Rock (Gneiss)

Basalt (Extrusive Igneous Rock) — igneous

Basalt

Extrusive Igneous Rock

Clear Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Clear Quartz Crystal

Silicon Dioxide (SiO2)

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

Quartz Crystal on Matrix

Silicon Dioxide (SiO2)

Garnet-bearing Schist (Almandine Garnet [Fe3Al2(SiO4)3] in Micaceous Schist) — metamorphic

Garnet-bearing Schist

Almandine Garnet [Fe3Al2(SiO4)3] in Micaceous Schist

Quartz (Variety of Rough Mineral Specimens) (Silicon Dioxide (SiO2)) — mineral

Quartz (Variety of Rough Mineral Specimens)

Silicon Dioxide (SiO2)

Eudialyte (Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2) — mineral

Eudialyte

Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2

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

Sandstone (Quartzite Pebble)

Arenite (primarily SiO2)

Milky Quartz with Mineral Inclusions (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Mineral Inclusions

Quartz (Silicon Dioxide, SiO2)

Vesicular Basalt / Scoria (Stream-rounded Cobble) (Mafic extrusive igneous rock) — igneous

Vesicular Basalt / Scoria (Stream-rounded Cobble)

Mafic extrusive igneous rock

Sandstone (likely Graywacke or Siltstone variety) (Clastic Sedimentary Rock (SiO2 with assorted mineral fragments)) — sedimentary

Sandstone (likely Graywacke or Siltstone variety)

Clastic Sedimentary Rock (SiO2 with assorted mineral fragments)

Vesicular basalt (probable) (Basalt; chiefly plagioclase feldspar, clinopyroxene, and iron-rich minerals, with vesicles possibly lined by zeolites or calcite) — igneous

Vesicular basalt (probable)

Basalt; chiefly plagioclase feldspar, clinopyroxene, and iron-rich minerals, with vesicles possibly lined by zeolites or calcite

Turquoise (Hydrate phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise

Hydrate phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)

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

Sandstone

Arenite (SiO2 based with mineral cement)

Milky Quartz in Epidote Host Rock (Crystalline Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)) — mineral

Milky Quartz in Epidote Host Rock

Crystalline Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

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

Turquoise

Turquoise (Hydrated phosphate of copper and aluminium) CuAl6(PO4)4(OH)8·4H2O

Slate (Slate (Metamorphic Rock)) — metamorphic

Slate

Slate (Metamorphic Rock)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Sandstone (Calcareous or Quartz-rich) (Arenite) — sedimentary

Sandstone (Calcareous or Quartz-rich)

Arenite

Gneiss (Metamorphic Pebble) (Gneiss (SiO2-rich metamorphic rock)) — metamorphic

Gneiss (Metamorphic Pebble)

Gneiss (SiO2-rich metamorphic rock)

Diorite (Diorite (Phaneritic intermediate plutonic rock)) — igneous

Diorite

Diorite (Phaneritic intermediate plutonic rock)

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

Diorite

Diorite (Intermediate intrusive igneous rock)

Turtleback Rock (Brecciated Diabase / Granite) (Brecciated hypabyssal intrusive rock) — igneous

Turtleback Rock (Brecciated Diabase / Granite)

Brecciated hypabyssal intrusive rock

Banded Gneiss (River Rock/Pebble) (Gneiss (specifically a banded variety, likely a orthogneiss or paragneiss depending on parent rock)) — Metamorphic Rock

Banded Gneiss (River Rock/Pebble)

Gneiss (specifically a banded variety, likely a orthogneiss or paragneiss depending on parent rock)

Metamorphic Rock

Ironstone / Weathered Hematite (Iron oxide-rich sedimentary rock with Goethite/Hematite) — sedimentary

Ironstone / Weathered Hematite

Iron oxide-rich sedimentary rock with Goethite/Hematite

Shale (possibly Carbonaceous or Oil Shale) (Argillaceous Sedimentary Rock) — sedimentary

Shale (possibly Carbonaceous or Oil Shale)

Argillaceous Sedimentary Rock

Red Sandstone (Sandstone (Quartz Arenite with Iron Oxide)) — sedimentary

Red Sandstone

Sandstone (Quartz Arenite with Iron Oxide)

Sandstone with Iron Staining (Arenite (SiO2 with Fe-oxide coatings)) — sedimentary

Sandstone with Iron Staining

Arenite (SiO2 with Fe-oxide coatings)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)