Brown Sandstone
Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)
Category
Browse anthropogenic material (man made sedimentary mimic) specimens identified by the Rock Identifier community.
Brown Sandstone
Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
Pyrite Geode
Iron Disulfide (FeS2)
Banded Chert
Silicon Dioxide (SiO2)
Shale
Shale (Consolidated fine-grained clay/silt)
Chert Pebble
Microcrystalline silica (SiO2)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (SiO2 with Fe2O3/FeOOH cement)
Red Sandstone
Arenite (primarily Quartz with Iron Oxide)
Coquina or Fossiliferous Limestone
Fossiliferous Calcarenite (CaCO3)
Sandstone (Ferruginous)
Arenite (Fe-oxide cemented)
Sandstone (Beach Pebble)
Clastic sedimentary rock (primarily Quartz and Feldspar)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Sandstone
Arenite
Limonite (Iron Ore Congcretion)
Limonite (a mixture of hydrated iron(III) oxide-hydroxides, FeO(OH)·nH2O)
Sandstone (Red Arkose)
Sandstone (Arkose variant, primarily SiO2 with KAlSi3O8)
Sandstone (Ferruginous)
Clastic sedimentary rock (primarily SiO2 with Fe2O3 staining)
Petrified Wood
Silicified Wood (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (likely Arkosic or Lithic Sandstone)
Arenite (SiO2 based with mineral inclusions)
Chert Pebble
Microcrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Quartz Sandstone)
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Quartz (Engineered Quartz Surface)
Silicon Dioxide (SiO2) based composite
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Limestone
Calcium carbonate (CaCO3)
Sandstone (Calcareous Sandstone)
Calcareous Sandstone (primarily SiO2 with CaCO3 cement)
Limonite
Limonite (FeOO·nH2O)
Banded Calcite (often sold as Mexican Onyx or Aragonite)
Calcite/Aragonite (Calcium Carbonate, CaCO3)
Chert (specifically Red Chert/Jasper)
Microcrystalline Quartz (SiO2)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 cementation)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Jasper
Silicon dioxide (SiO2)
Sandstone
Arenite (primarily composed of SiO2)