Rock Identifier

Category

Mineral, Specifically A Detrital Grain

Browse mineral, specifically a detrital grain specimens identified by the Rock Identifier community.

Learn about Mineral, Specifically A Detrital Grain in the encyclopedia

Glauconite

Hutcheonite

Halite

Sperrylite

Bostonite

Baddeleyite

Anatase

Felsite

Brookite

Talc

Euxenite

Eltyubyuite

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

Pink Granite

Granite (Phaneritic Felsic Igneous Rock)

Imperial Jasper (Silicon Dioxide (SiO2) - Microcrystalline Quartz with Mineral Inclusions) — Sedimentary

Imperial Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz with Mineral Inclusions

Pink Granite (Granite (Alkali-feldspar granite)) — igneous

Pink Granite

Granite (Alkali-feldspar granite)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Blue Quartzite (Quartzite with inclusions (often Dumortierite or Magnesio-riebeckite), SiO2) — metamorphic

Blue Quartzite

Quartzite with inclusions (often Dumortierite or Magnesio-riebeckite), SiO2

Banded Sandstone / Siltstone (Sedimentary Rock (Quartzose Sandstone / Siltstone)) — sedimentary

Banded Sandstone / Siltstone

Sedimentary Rock (Quartzose Sandstone / Siltstone)

Quartz Grain (Silicon Dioxide (SiO2)) — mineral

Quartz Grain

Silicon Dioxide (SiO2)

Pink Granite (Phaneritic intrusive igneous rock with dominant Alkali Feldspar) — igneous

Pink Granite

Phaneritic intrusive igneous rock with dominant Alkali Feldspar

Sandstone (specifically Arkose or Ferruginous Sandstone) (Sandstone (SiO2 with iron oxide inclusions)) — sedimentary

Sandstone (specifically Arkose or Ferruginous Sandstone)

Sandstone (SiO2 with iron oxide inclusions)

Granite (specifically Pink Granite) (Phaneritic Plutonic Rock (High Potassium Feldspar Granite)) — igneous

Granite (specifically Pink Granite)

Phaneritic Plutonic Rock (High Potassium Feldspar Granite)

Porphyry (Porphyritic Andesite/Basalt) — igneous

Porphyry

Porphyritic Andesite/Basalt

Citrine (tumbled) (Silicon dioxide, SiO2) — mineral

Citrine (tumbled)

Silicon dioxide, SiO2

Chrysotile Asbestos (Mg3Si2O5(OH)4) — mineral

Chrysotile Asbestos

Mg3Si2O5(OH)4

Quartz (Quartz (SiO2 - Silicon Dioxide)) — Mineral, often found as detrital grains in sedimentary rocks

Quartz

Quartz (SiO2 - Silicon Dioxide)

Mineral, often found as detrital grains in sedimentary rocks

Sandstone (Fossiliferous) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Fossiliferous)

Clastic Sedimentary Rock (primarily SiO2)

Quartz with Iron Stains (Quartz (SiO2) with iron oxide/hydroxide staining) — Mineral

Quartz with Iron Stains

Quartz (SiO2) with iron oxide/hydroxide staining

Pink Granite (Granite (enriched in Potassium Feldspar)) — igneous

Pink Granite

Granite (enriched in Potassium Feldspar)

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

Quartz Pebble (Grit)

Silicon Dioxide (SiO2)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Red Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Red Granite

Phaneritic Felsic Igneous Rock (Granite)

Granite (with Almandine Garnet inclusions) (Granite composed primarily of Quartz (SiO2), K-Feldspar (KAlSi3O8), and Almandine Garnet (Fe3Al2(SiO4)3)) — igneous

Granite (with Almandine Garnet inclusions)

Granite composed primarily of Quartz (SiO2), K-Feldspar (KAlSi3O8), and Almandine Garnet (Fe3Al2(SiO4)3)

Quartzite (Milky Quartz Cobble) (Silicon Dioxide (SiO2)) — Metamorphic

Quartzite (Milky Quartz Cobble)

Silicon Dioxide (SiO2)

Halite (Halite (NaCl)) — mineral

Halite

Halite (NaCl)

Siltstone (Siltstone (primarily SiO2 with Al2O3)) — sedimentary

Siltstone

Siltstone (primarily SiO2 with Al2O3)

Red Quartzite (Quartzite (primarily SiO2)) — metamorphic

Red Quartzite

Quartzite (primarily SiO2)

Quartz (Quartz (Silicon Dioxide - SiO2)) — Mineral

Quartz

Quartz (Silicon Dioxide - SiO2)

Granite (Intrusive Felsic Igneous Rock (composed of Quartz, Potassium Feldspar, Plagioclase Feldspar, and Biotite/Amphibole)) — igneous

Granite

Intrusive Felsic Igneous Rock (composed of Quartz, Potassium Feldspar, Plagioclase Feldspar, and Biotite/Amphibole)

Marble (Recrystallized Carbonate Rock (CaCO3)) — metamorphic

Marble

Recrystallized Carbonate Rock (CaCO3)

Dalmatian Jasper (Feldspar porphyry (Microcline and Quartz with Arfvedsonite spots)) — igneous

Dalmatian Jasper

Feldspar porphyry (Microcline and Quartz with Arfvedsonite spots)

Stilbite (Stilbite (Hydrated calcium sodium aluminum silicate, NaCa4[Al9Si27O72]·28H2O)) — mineral

Stilbite

Stilbite (Hydrated calcium sodium aluminum silicate, NaCa4[Al9Si27O72]·28H2O)

Pink Granite (Phaneritic plutonic rock (Granite)) — igneous

Pink Granite

Phaneritic plutonic rock (Granite)

Yellow Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Agate (SiO2) — Mineral

Agate

SiO2

Generic Rock Fragment (Rock Fragment) — sedimentary

Generic Rock Fragment

Rock Fragment

Granodiorite (or Granite) Pebble (Phaneritic Felsic Igneous Pebble) — igneous

Granodiorite (or Granite) Pebble

Phaneritic Felsic Igneous Pebble

Quartz (Quartz (SiO₂ - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Pegmatite (Feldspar and Quartz) (Pegmatite (KAlSi3O8 / SiO2)) — igneous

Pegmatite (Feldspar and Quartz)

Pegmatite (KAlSi3O8 / SiO2)

Quartzite with inclusions (Quartzite (SiO2)) — metamorphic

Quartzite with inclusions

Quartzite (SiO2)

Porphyry (Porphyritic Rhyolite or Andesite) — igneous

Porphyry

Porphyritic Rhyolite or Andesite

Pink Granite (Phaneritic Felsic Igneous Rock) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock

Feldspar-rich Granite (Pink Granite) (Phaneritic Felsic Igneous Rock) — igneous

Feldspar-rich Granite (Pink Granite)

Phaneritic Felsic Igneous Rock

River Cobble (Basaltic/Andesitic) (Mafic Igneous Porphyritic Rock) — igneous

River Cobble (Basaltic/Andesitic)

Mafic Igneous Porphyritic Rock