Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Banded Chert
Cryptocrystalline Quartz (SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose Sandstone)
Arenite (SiO2 principal component)
Sandstone
Arenite (composed primarily of SiO2)
Fossiliferous Limestone
Calcium Carbonate - CaCO3
Sandstone
Arenite (primarily SiO2)
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 principal composition)
Sandstone
Arenite (primarily SiO2)
Sandstone (Pebble)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz - SiO2)
Chert (Pebble)
Microcrystalline silica (SiO2)
Riverstone (Quartzite or Siltstone cobble)
Quartzite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Travertine
Terrestrial Sedimentary Rock (Calcium Carbonate, CaCO3)
Sandstone (likely Quartzose)
Clastic sedimentary rock (SiO2 primary)
Sandstone (Pebble)
Clastic sedimentary rock (SiO2 primary)
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Crushed Limestone
Calcite-rich Sedimentary Rock (CaCO3)
Sandstone (with potential Quartzite characteristics)
Clastic sedimentary rock (primarily SiO2)
Shale or Mudstone (Based on appearance)
Shale (fine-grained, laminated fissile sedimentary rock) / Mudstone (fine-grained, non-fissile sedimentary rock)
Zebra Jasper
Silicon Dioxide (SiO2) - Macro-crystalline Quartz/Chert with impurities
Sandstone (with potential Arkose/Lithic characteristics)
Arenite (Sedimentary rock composed of sand-sized grains)
Chert Concretion (with typical hematite/limonite staining)
Sedimentary Concretion (SiO2 with FeO(OH)⋅nH2O)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Pyrite (FeS₂)
Sandstone
Arenite (SiO2 based with primary clasts 0.0625 to 2 mm)
Sandstone (clastic)
Clastic Sedimentary Rock (primarily composed of SiO2)
Sandstone
Sandstone (clastic sedimentary rock, predominantly SiO2)
Sandstone
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Quartz Geode (Cracked)
Silicon Dioxide (SiO2)
Quartz Geode (with Calcite influence)
Silicon Dioxide (SiO2) with possible Calcium Carbonate (CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Optical Calcite (Iceland Spar)
Calcite (CaCO3)
Garnet (Almandine)
Almandine, Fe3Al2Si3O12
Limonite/Goethite (Iron Ore)
Hydrous ferric oxides (FeO(OH)·nH2O)
Specular Hematite with Quartz and Limonite
Hematite (Fe2O3) with Quartz (SiO2) and Limonite (FeO(OH)·nH2O)