Sandstone
Arenite (SiO2 principal component)
Category
Browse mineral and sedimentary specimens identified by the Rock Identifier community.
Sandstone
Arenite (SiO2 principal component)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Sandstone with Iron Staining
Arenite (SiO2 with Fe2O3)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Sandstone (likely Siltstone)
Arenite or Siltstone (high SiO2 content)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Turquoise with Pyrite
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)
Turquoise in Matrix
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Magnetite
Magnetite (Fe3O4)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Limonite (Iron Ore)
FeO(OH)·nH2O
Sandstone (Ferruginous)
Sandstone (Clastic sedimentary rock, predominantly SiO2 with Fe2O3 cement)
Sandstone (Quartzose)
Arenite (SiO2 based)
Sandstone with Concretions / Liesegang Rings
Arenite with iron oxide banding
Sandstone (likely River-tumbled Picture Sandstone)
Arenite (predominantly SiO2 with iron oxide impurities)
Fluorite
Calcium fluoride (CaF2)
Sandstone
Arenite (SiO2 based sedimentary rock)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (likely Arkose or Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Limestone Breccia
Sedimentary Breccia (Calcareous)
Concretionary Sandstone
Clastic Sedimentary Rock (Sandstone with secondary mineral cementation)
Sandstone
Arenite
Pyrite in Matrix
Iron Disulfide (FeS2)
Red Jasper
Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)
Turquoise
Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O
Coarse Sandstone Pebble
Clastic Sedimentary Rock (Sandstone)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Limonite (Iron Ore)
Limonite (̑FeO(OH)·nH₂O)
Sandstone (likely Calcareous or Micaceous)
Clastic sedimentary rock (primarily Quartz with Cementing Agents)
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone
Arenite
Sandstone (Weathered Cobble)
Clastic sedimentary rock (primarily SiO2)
Precious Opal
Hydrated Silica (SiO2·nH2O)
Sandstone
Arenite (primarily SiO2)
Magnetite or Magnetic Iron Ore
Magnetite (Fe3O4)
Chalcedony (Common Opal or Agate)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Stream-Rounded Shale or Mudstone
Argillaceous sedimentary rock
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
Sandstone (likely Arkose or Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)