Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz: SiO2)
Category
Browse sedimentary (man made composite) specimens identified by the Rock Identifier community.
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz: SiO2)
General Rock and Mineral Collection (Center: Angelite / Blue Anhydrite)
Anhydrite (Calcium Sulfate, CaSO4)
Banded Sandstone (Zebra Stone)
Arenite with Iron Oxide Banding (Liesegang rings)
Sandstone with Ironstone Concretion
Arenite with Hematite/Goethite nodules (Fe2O3 / FeO(OH))
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone or Limestone
Sedimentary Rock
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (Clastic Sedimentary Rock)
Sandstone or Limestone
Arenite or Calcareous Sedimentary Rock
Shale
Shale (Lutite)
Shale
Fissile mudrock (composed primarily of clay minerals and quartz)
Sandstone
Arenite
Sandstone
Arenite (SiO2 based)
Sandstone (with potential trace fossils)
Clastic sedimentary rock (primarily SiO2)
Calligraphy Stone
Mariam Jasper (Fossiliferous Limestone composed of Hematite and Shell remains)
Shale
Fissile mudrock (composed of clay-sized particles and detrital grains)
Shale
Fissile Mudstone (primarily composed of phyllosilicate minerals like kaolinite, montmorillonite, and illite)
Shale
Clastic sedimentary rock (primarily clay and silt minerals)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Pyrite
Iron Sulfide (FeS2)
Halite (Rock Salt)
Halite (Sodium Chloride, NaCl)
Aragonite Star Cluster
Aragonite (Calcium Carbonate, CaCO3)
Sandstone (likely Graywacke or Arkosic varieties)
Arenite (composed primarily of SiO2)
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Mixed Tumbled Gemstones (Agate, Aventurine, Pyrite, etc.)
Multiple (principally Silicon Dioxide SiO2 and Iron Disulfide FeS2)
Sandstone
Arenite (SiO2 principal)
Flesh-toned Siltstone
Siltstone (composed of microscopic Quartz and Feldspar grains)
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Arkosic or Lithic Sandstone)
Clastic Sedimentary Rock (SiO2 with assorted minerals)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone
Arenite (Sedimentary rock comprising sand-sized grains)