Rock Identifier

Category

Mineral, Part Of A Rock

Browse mineral, part of a rock specimens identified by the Rock Identifier community.

Learn about Mineral, Part Of A Rock in the encyclopedia

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Halite

Dolomite

Gypsum

Coal

Claystone

Particolored Tourmaline

Serpentinite

Carbonatite

Skarn

Schist

Pink Granite (Phaneritic Felsic Igneous Rock (high K-feldspar)) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock (high K-feldspar)

Fossilized Bone Fragment (Permineralized Vertebrate Bone (Hydrox yapatite replaced by Silica or Calcite)) — sedimentary

Fossilized Bone Fragment

Permineralized Vertebrate Bone (Hydrox yapatite replaced by Silica or Calcite)

Biotite (Mica) (K(Mg,Fe)3AlSi3O10(OH,F)2) — mineral

Biotite (Mica)

K(Mg,Fe)3AlSi3O10(OH,F)2

Red Sandstone (Hematitic) (Clastic sedimentary rock (SiO2 with Fe2O3 inclusions)) — sedimentary

Red Sandstone (Hematitic)

Clastic sedimentary rock (SiO2 with Fe2O3 inclusions)

Granite (Phaneritic plutonic rock (Felsic)) — igneous

Granite

Phaneritic plutonic rock (Felsic)

Quartzite River Rock (Quartzite (SiO2)) — metamorphic

Quartzite River Rock

Quartzite (SiO2)

Yellow Quartzite (Beach Pebble) (Quartzite (primarily SiO2)) — metamorphic

Yellow Quartzite (Beach Pebble)

Quartzite (primarily SiO2)

Granite (Phaneritic Igneous Rock) (Granite) — igneous

Granite (Phaneritic Igneous Rock)

Granite

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Pink Quartz / Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Pink Quartz / Rose Quartz

Silicon Dioxide (SiO2)

Granite (Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)

Yellow Quartzite (River Pebble) (Quartzite (primarily Silicon Dioxide, SiO2)) — metamorphic

Yellow Quartzite (River Pebble)

Quartzite (primarily Silicon Dioxide, SiO2)

Belemnoit (Fossil) (Belemnoidea (Order), Rostrum / Guard) — sedimentary

Belemnoit (Fossil)

Belemnoidea (Order), Rostrum / Guard

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

Granite Pebble (Weathered)

Phaneritic Felsic Igneous Rock

Pink Granite (Phaneritic Intrusive Igneous Rock (Granite)) — igneous

Pink Granite

Phaneritic Intrusive Igneous Rock (Granite)

Rugose Coral (Horn Coral) (Order Rugosa (extinct fossilized coral)) — sedimentary

Rugose Coral (Horn Coral)

Order Rugosa (extinct fossilized coral)

Granite (Granite (Phaneritic intrusive igneous rock)) — igneous

Granite

Granite (Phaneritic intrusive igneous rock)

Gneiss (Metamorphic Gneiss) — metamorphic

Gneiss

Metamorphic Gneiss

Granite (Granite (Plutonic Igneous Rock)) — igneous

Granite

Granite (Plutonic Igneous Rock)

Granite (Phaneritic Plutonic Igneous Rock) — igneous

Granite

Phaneritic Plutonic Igneous Rock

Quartzite River Rock (Quartzite (SiO2)) — metamorphic

Quartzite River Rock

Quartzite (SiO2)

Hypersthene (Hypersthene ((Mg,Fe)SiO₃)) — Mineral

Hypersthene

Hypersthene ((Mg,Fe)SiO₃)

Granite Pebble (Felsic intrusive igneous rock) — igneous

Granite Pebble

Felsic intrusive igneous rock

Quartz pebble (Quartztite fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz pebble (Quartztite fragment)

Silicon Dioxide (SiO2)

Tumbled metamorphic pebble, likely gneiss (Foliated gneiss; commonly quartz, feldspar, mica, and amphibole) — metamorphic

Tumbled metamorphic pebble, likely gneiss

Foliated gneiss; commonly quartz, feldspar, mica, and amphibole

Granite (Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)

Ferruginous Sandstone (with Iron Oxide staining) (Clastic Sedimentary Rock - Quartz Arenite/Wacke) — sedimentary

Ferruginous Sandstone (with Iron Oxide staining)

Clastic Sedimentary Rock - Quartz Arenite/Wacke

Gold-bearing Quartz and Pyrite (Auriferous Quartz (SiO2 + Au) with Pyrite (FeS2)) — mineral

Gold-bearing Quartz and Pyrite

Auriferous Quartz (SiO2 + Au) with Pyrite (FeS2)

Red Sandstone (Siltstone pebble) (Arenite / Siltstone (Silicon dioxide based with hematite impurities)) — sedimentary

Red Sandstone (Siltstone pebble)

Arenite / Siltstone (Silicon dioxide based with hematite impurities)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Weathered granite or granitic pebble (Granite; primarily quartz, alkali feldspar, plagioclase, and mica) — igneous

Weathered granite or granitic pebble

Granite; primarily quartz, alkali feldspar, plagioclase, and mica

Quartz (specifically Milky/Gray Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky/Gray Quartz)

Silicon Dioxide (SiO2)

Unidentifiable Rock Fragment — Uncertain

Unidentifiable Rock Fragment

Granite Pebble (Granite (Felsic intrusive igneous rock)) — igneous

Granite Pebble

Granite (Felsic intrusive igneous rock)

Malachite-Bearing Copper Ore (Cu2CO3(OH)2 (Malachite) in host rock) — mineral

Malachite-Bearing Copper Ore

Cu2CO3(OH)2 (Malachite) in host rock

Biotite Schist (Biotite-rich Schist) — metamorphic

Biotite Schist

Biotite-rich Schist

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Painted River Rock (Polished fluvial clast with acrylic/synthetic pigment coating) — Sedimentary or Metamorphic (base substrate)

Painted River Rock

Polished fluvial clast with acrylic/synthetic pigment coating

Sedimentary or Metamorphic (base substrate)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Granite (Granite (Phaneritic Quartz-Feldspar Plutonic Rock)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar Plutonic Rock)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)