Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Category
Browse man made composite (lithified equivalent of sedimentary) specimens identified by the Rock Identifier community.
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Limonite (Iron Ore)
Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)
Sandstone Pebble
Arenite (primarily SiO2)
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Sandstone (Red/Brown Variety)
Arenite (SiO2 with iron oxide impurities)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Sandstone (Ferruginous)
Arenite with Iron Oxide matrix
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
Sandstone
Arenite (primarily Quartz, SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Limestone
Calcium carbonate (CaCO3)
Quartz (likely) or a Quartzite Pebble
Silicon dioxide (SiO2) for quartz. If it's quartzite, it's a metamorphic rock primarily composed of quartz.
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide staining)
Granular Sandstone
Arenite (variable composition, primarily SiO2)
Sandstone (likely Iron-rich or Arkosic)
Arenite (SiO2 with FeO(OH) or Fe2O3 staining)
Wood Paneling
Engineered Wood / Plywood Paneling
Sandstone (Ferruginous)
Arenite with Iron Oxide (Fe2O3) cement
Ferruginous Sandstone
Clastic sedimentary rock (SiO2 with Fe2O3/FeO(OH) cement)
Sandstone (Weathered Pebble)
Arenite (SiO2 primarily)
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Quartz Sandstone)
Arenite (SiO2 based)
Crushed Limestone
Calcite-rich Sedimentary Rock (CaCO3)
Sandstone
Arenite
Limestone
Calcite (CaCO3)
Ferruginous Sandstone (Red Sandstone)
Arenite with Hematite/Limonite cement
Sandstone
Arenite
Limestone (specifically Tufa or Travertine)
Calcium Carbonate (CaCO3)
Sandstone
Arenite
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (Lithic Sandstone)
Limestone (Fossiliferous)
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (with Hematite/Limonite cement)
Basalt River Cobble
Vitreous aphanitic Basalt
Granite
Granite (felsic intrusive igneous rock)
Sandstone (likely Calcareous or Micaceous)
Clastic sedimentary rock (primarily Quartz with Cementing Agents)
Sandstone
Arenite (primarily SiO2)
Sandstone (specifically Red Sandstone)
Arenite (primarily Quartz, SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (likely Red/Brown Sandstone)
Arenite (SiO2 based)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily SiO2 with FeO(OH) impurities)