Sandstone (Quartz Arenite)
Sandstone (Chemical formula: primarily SiO2)
Category
Browse mineral or sedimentary rock (with mineral inclusions) specimens identified by the Rock Identifier community.
Sandstone (Quartz Arenite)
Sandstone (Chemical formula: primarily SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Sandstone (clastic sedimentary rock, predominantly SiO2)
Sandstone (likely Arkosic or Lithic)
Clastic Sedimentary Rock (composed mostly of SiO2)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
Milky Quartz
Silicon Dioxide (SiO2)
Jasper (likely Brecciated or Multi-colored)
Jasper (SiO2)
Hag Stone
Perforated sedimentary rock (typically limestone, sandstone, or flint)
Jasper with Agate Inclusions
Jasper (Silicon Dioxide, SiO2) with Chalcedony/Agate
Sandstone
Arenite
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Sandstone
Sandstone (principally SiO2/Silicon Dioxide)
Quartz Geode (Druzy Quartz)
Silicon Dioxide (SiO2)
Fossiliferous Limestone (Coquina)
Calcite (CaCO3) with Bioclastic inclusions
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Sandstone (with Iron Staining)
Arenite (SiO2 predominantly)
Sandstone (likely Arkosic or Lithic Sandstone)
Sandstone (SiO2 predominant)
Carnelian (Red Chalcedony)
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
Bauxite (Laterite Clay)
Bauxite (mixture of Hydrous Aluminum Oxides: Gibbsite Al(OH)3, Boehmite and Diaspore AlO(OH))
Bauxite
Al2O3·2H2O (principally composed of gibbsite, boehmite, and diaspore)
Milky Quartz
Silicon Dioxide (SiO2)
Tumbled yellow jasper (probable)
Jasper, an opaque microcrystalline variety of quartz; chiefly SiO₂ with iron-oxide inclusions
Sandstone
Arenite (primarily SiO2)
Sandstone (River Stone)
Arenite (primarily SiO2)
Ferruginous Quartz
Quartz with Iron Oxide inclusions (SiO2 + Fe2O3)
Ferruginous Quartz (Red Quartz)
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
Sandstone (Quartz-rich)
Arenite (SiO2 based)
Sandstone (River Rock)
Arenite (SiO2 principal component)
Sandstone (Weathered Cobble)
Clastic Sedimentary Rock (primarily SiO2)
Quartz (Milky/Crystal Variety)
Silicon Dioxide (SiO2)
Biotite Schist with Garnet
Garnet-Biotite Schist
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
River Cobble (Quartzite or Gneiss)
Metamorphic crystalline rock (predominantly SiO2 based)
Sandstone (Red Sandstone)
Arenite (predominantly SiO2 with Fe2O3 cement)
Milky quartz pebble
Quartz, silicon dioxide (SiO₂)