Rock Identifier

Category

Mineral, Often Found As Detrital Grains In Sedimentary Rocks

Browse mineral, often found as detrital grains in sedimentary rocks specimens identified by the Rock Identifier community.

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite with Iron Staining (Quartzite (primarily SiO2 with Fe2O3 staining)) — metamorphic

Quartzite with Iron Staining

Quartzite (primarily SiO2 with Fe2O3 staining)

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Sandstone (Ferruginous) (Arenite (Fe-rich)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe-rich)

Orange Quartzite (Quartzite (primarily SiO2 with Hematite impurities)) — metamorphic

Orange Quartzite

Quartzite (primarily SiO2 with Hematite impurities)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Common Opal (Hydrated amorphous form of silica (SiO2·nH2O)) — mineral

Common Opal

Hydrated amorphous form of silica (SiO2·nH2O)

Slate with Red Sandstone Landscaping Rock (Foliated Pelitic Metamorphic Rock (Slate) and Ferruginous Sandstone) — metamorphic and sedimentary

Slate with Red Sandstone Landscaping Rock

Foliated Pelitic Metamorphic Rock (Slate) and Ferruginous Sandstone

metamorphic and sedimentary

Quartzite Pebble (Quartzite (principally SiO2)) — metamorphic

Quartzite Pebble

Quartzite (principally SiO2)

Quartzite (Iron-stained) (Metamorphosed Quartz-rich Rock (SiO2)) — metamorphic

Quartzite (Iron-stained)

Metamorphosed Quartz-rich Rock (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite Pebble (Metamorphic Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (primarily SiO2)

Agate (Silicon Dioxide (SiO2)) — mineral

Agate

Silicon Dioxide (SiO2)

Quartz Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Peacock Ore (Chalcopyrite) (Chalcopyrite (CuFeS2)) — mineral

Peacock Ore (Chalcopyrite)

Chalcopyrite (CuFeS2)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Quartz Pebble (Chalcedony/Agate variety) (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble (Chalcedony/Agate variety)

Silicon Dioxide (SiO2)

Ferruginous Sandstone (with Pyrite/Gold associations) (Ferruginous Arenite (SiO2 + Fe2O3)) — sedimentary

Ferruginous Sandstone (with Pyrite/Gold associations)

Ferruginous Arenite (SiO2 + Fe2O3)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Quartz Geode (Silicon Dioxide (SiO2) within a geode) — mineral

Quartz Geode

Silicon Dioxide (SiO2) within a geode

Fluorite (Rainbow Fluorite) (Calcium Fluoride (CaF2)) — mineral

Fluorite (Rainbow Fluorite)

Calcium Fluoride (CaF2)

Quartzite (Metamorphosed Quartz Arenite (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Arenite (SiO2)

Flint (Chert Node) (Silicon Dioxide (SiO2)) — sedimentary

Flint (Chert Node)

Silicon Dioxide (SiO2)

Blue Apatite (Apatite-(CaF), Ca5(PO4)3F) — mineral

Blue Apatite

Apatite-(CaF), Ca5(PO4)3F

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Epidote with Magnetite/Hematite inclusions (Epidote (Ca2(Al2,Fe3+)(SiO4)3(OH)) with Iron Oxides) — mineral

Epidote with Magnetite/Hematite inclusions

Epidote (Ca2(Al2,Fe3+)(SiO4)3(OH)) with Iron Oxides

Ferruginous Sandstone (Gerrit) (Arenite with Iron Oxide cementation) — sedimentary

Ferruginous Sandstone (Gerrit)

Arenite with Iron Oxide cementation

Dalmatian Jasper (or Dalmatian Stone) (Dalmatian Stone (A peralkaline felsite composed of feldspar, quartz, and sodic amphibole)) — igneous

Dalmatian Jasper (or Dalmatian Stone)

Dalmatian Stone (A peralkaline felsite composed of feldspar, quartz, and sodic amphibole)

Conglomerate (Conglomerate (clastic sedimentary rock)) — sedimentary

Conglomerate

Conglomerate (clastic sedimentary rock)

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Quartzite Pebble (River Rock) (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble (River Rock)

Quartzite (primarily SiO2)

Gneiss (Foliated Metamorphic Rock (Gneiss)) — metamorphic

Gneiss

Foliated Metamorphic Rock (Gneiss)

Barite Rose on Marcasite (Barium Sulfate (BaSO4) on Iron Sulfide (FeS2)) — mineral

Barite Rose on Marcasite

Barium Sulfate (BaSO4) on Iron Sulfide (FeS2)

Shale (Fissile mudstone (Shale)) — sedimentary

Shale

Fissile mudstone (Shale)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Quartz-veined Mudstone or Argillite (SiO2 (Quartz) in Siltstone/Mudstone matrix) — sedimentary

Quartz-veined Mudstone or Argillite

SiO2 (Quartz) in Siltstone/Mudstone matrix

Liesegang Ring Siltstone (Siltstone with iron oxide Liesegang bands) — sedimentary

Liesegang Ring Siltstone

Siltstone with iron oxide Liesegang bands

Orpiment (Orpiment (As2S3)) — mineral

Orpiment

Orpiment (As2S3)

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

Turquoise

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

Yellow Quartz (Citrine or Yellow Jasper) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine or Yellow Jasper)

Silicon Dioxide (SiO2)