Barite (Desert Rose or Cockscomb variety)
Barium Sulfate (BaSO4)
Category
Browse sedimentary (processed mineral product) specimens identified by the Rock Identifier community.
Barite (Desert Rose or Cockscomb variety)
Barium Sulfate (BaSO4)
Clear Quartz
Silicon Dioxide (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Quartz Arenite)
Sandstone (Chemical formula: primarily SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Chert (Black Chert/Flint)
Chert (Silicon Dioxide, SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Red Quartz (Carnelian/Red Jasper Agate)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Calcite
Calcium Carbonate (CaCO3)
Sandstone Pebble
Arenite (primarily SiO2)
Gneiss
Gneiss (Metamorphic rock composed primarily of quartz, feldspar, and mica)
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone
Arenite
Pyrite
Iron Sulfide (FeS2)
Galena
Lead Sulfide (PbS)
Optical Calcite (Iceland Spar)
Calcium Carbonate (CaCO3)
Pyrite (Fools Gold)
Iron Sulfide (FeS2)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Pyrite
Iron Disulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Satin Spar (Selenite Gypsum Sphere)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Galena
Lead(II) sulfide (PbS)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Orange Quartz (or Tumbled Carnelian)
Silicon Dioxide (SiO2) with iron oxide inclusions
Turquoise
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Satin Spar Selenite
Gypsum (CaSO4·2H2O)
Pyrite
Iron Sulfide (FeS2)
Satin Spar (often marketed as Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Blue Kyanite
Kyanite (Al2SiO5)
Quartz (Milky/Gray variety)
Silicon Dioxide (SiO2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous Phosphate of Copper and Aluminum)
Pyrite in Matrix
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Banded Agate
Agate (Silicon Dioxide, SiO2)