Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Category
Browse sedimentary (man made) specimens identified by the Rock Identifier community.
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Limestone (specifically Fossiliferous Limestone)
Calcium Carbonate (CaCO3)
Sandstone (lithic/greywacke variant)
Clastic sedimentary rock (primarily SiO2 with rock fragments)
Sandstone with Iron Oxide (Limonite/Hematite)
Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)
Sandstone
Arenite (SiO2 based with quartz, feldspar, or lithic fragments)
Sandstone
Arenite (primarily SiO2)
Calcite
Calcite (CaCO3)
Quartz
Quartz (SiO2 - Silicon Dioxide)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2 - Silicon Dioxide)
Limestone
Calcium carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (High Silica / Iron Oxide)
Limestone
Calcium Carbonate (CaCO3)
Limestone (specifically Iron-stained or Argillaceous Limestone)
Calcium Carbonate (CaCO3) with Iron Oxide (Fe2O3) impurities
Sandstone (Quartzose)
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Sandstone (clastic sedimentary rock, predominantly SiO2)
Sandstone (Calcareous Sandstone)
Calcareous Sandstone (primarily SiO2 with CaCO3 cement)
Sandstone
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Sandstone (River Pebble)
Arenite
Sandstone
Arenite (primarily composed of SiO2 - Silicon Dioxide)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Gneiss (likely)
Gneiss
Calcite
Calcite (Mineral, Calcium Carbonate - CaCO3)
Red Jasper
Jasper (a variety of Chalcedony, SiO₂ with iron oxide inclusions)
Gneiss
Gneiss (pronounced 'nice')
Sandstone
Clastic Sedimentary Rock (composed mostly of quartz and/or feldspar)
Ferruginous Sandstone
Clastic sedimentary rock (primarily SiO2 with Fe2O3 cement)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (primarily Quartz, SiO2)
Ferruginous Sandstone
Clastic Sedimentary Rock (Iron-rich)
Sandstone
Arenite
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 based with various cements)
Limestone
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Weathered Sandstone with Algae Growth
Arenite
Sandstone
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)