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

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Chert with Calcite Veins (Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) intrusions) — sedimentary

Chert with Calcite Veins

Silicon Dioxide (SiO2) with Calcium Carbonate (CaCO3) intrusions

Migmatite (Migmatite (Mixed Rock)) — metamorphic

Migmatite

Migmatite (Mixed Rock)

Peridotite (Peridotite (Ultramafic Rock)) — igneous

Peridotite

Peridotite (Ultramafic Rock)

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

Quartz Pebble (Grit)

Silicon Dioxide (SiO2)

Amygdaloidal Basalt (Amygdaloidal Basalt (Ca-rich Plagioclase, Pyroxene, and Olivine)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (Ca-rich Plagioclase, Pyroxene, and Olivine)

Granite (Granite (Mainly Quartz SiO2 and Feldspar KAlSi3O8)) — igneous

Granite

Granite (Mainly Quartz SiO2 and Feldspar KAlSi3O8)

Granite (Intrusive igneous rock (Granite)) — igneous

Granite

Intrusive igneous rock (Granite)

Granite (Granite) — igneous

Granite

Granite

Milky Quartz with Mica and Pyrite (Quartz (SiO2) with Muscovite (KAl2(AlSi3O10)(OH)2) and Pyrite (FeS2)) — mineral

Milky Quartz with Mica and Pyrite

Quartz (SiO2) with Muscovite (KAl2(AlSi3O10)(OH)2) and Pyrite (FeS2)

Granite with Epidote / Unakite precursor (Plutonic igneous rock composed of Quartz, Feldspar, and Epidote/Chlorite) — igneous

Granite with Epidote / Unakite precursor

Plutonic igneous rock composed of Quartz, Feldspar, and Epidote/Chlorite

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive igneous felsic rock) — igneous

Granite

Intrusive igneous felsic rock

Sandstone (Tafoni Weathered) (Arenite (part of the Sandstone family)) — sedimentary

Sandstone (Tafoni Weathered)

Arenite (part of the Sandstone family)

Painted Rock (Weathered Sedimentary Rock (Painted)) — sedimentary

Painted Rock

Weathered Sedimentary Rock (Painted)

Granite (Granite (Phaneritic Igneous Rock)) — igneous

Granite

Granite (Phaneritic Igneous Rock)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Fossilized Sea Urchin (Echinoid) (Echinoidea (Class) - likely replaced by Calcite or Quartz) — sedimentary

Fossilized Sea Urchin (Echinoid)

Echinoidea (Class) - likely replaced by Calcite or Quartz

Labradorite (Labradorite ((Ca, Na)(Al, Si)4O8)) — mineral

Labradorite

Labradorite ((Ca, Na)(Al, Si)4O8)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Phaneritic Felsic Intrusive Igneous Rock) — igneous

Granite

Phaneritic Felsic Intrusive Igneous Rock

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

Granite Pebble

Granite (Phaneritic intrusive igneous rock)

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

Biotite Mica

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

Granite (Polished Slab) (Granite (Plutonic Igneous Rock)) — igneous

Granite (Polished Slab)

Granite (Plutonic Igneous Rock)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

K-Feldspar / Granite Pegmatite (Potassium Feldspar (Microcline/Orthoclase) with Quartz) — igneous

K-Feldspar / Granite Pegmatite

Potassium Feldspar (Microcline/Orthoclase) with Quartz

Schist (Schist (metamorphic rock)) — metamorphic

Schist

Schist (metamorphic rock)

Granite (Granite (Plutonic Igneous Rock)) — igneous

Granite

Granite (Plutonic Igneous Rock)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Unknown Rock Fragment (Undetermined) — igneous

Unknown Rock Fragment

Undetermined

Agate (Silicon Dioxide (SiO2)) — mineral

Agate

Silicon Dioxide (SiO2)

Fossilized Shark Tooth (Chondrichthyes (Class)) — fossil

Fossilized Shark Tooth

Chondrichthyes (Class)

Chalcopyrite in Gossan (Chalcopyrite (CuFeS2) in a Limonite-rich Gossan matrix) — mineral

Chalcopyrite in Gossan

Chalcopyrite (CuFeS2) in a Limonite-rich Gossan matrix

River Cobble with Algae Patina (Weathered Chert or Quartzite pebble (SiO2 dominated)) — sedimentary

River Cobble with Algae Patina

Weathered Chert or Quartzite pebble (SiO2 dominated)

Goethite / Limonite Gossan (Goethite, FeO(OH)) — mineral

Goethite / Limonite Gossan

Goethite, FeO(OH)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

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

Granite

Granite (Felsic Intrusive Igneous Rock)

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

Quartz (Milky or Smoky Quartz Pebble)

Silicon Dioxide (SiO2)

Granite (Intrusive Felsic Igneous Rock) — igneous

Granite

Intrusive Felsic Igneous Rock

Granite (Intrusive Igneous Rock (Felsic)) — igneous

Granite

Intrusive Igneous Rock (Felsic)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)