Sandstone (Quartzose)
Arenite (primarily SiO2)
Category
Browse sedimentary (synthetic) specimens identified by the Rock Identifier community.
Sandstone (Quartzose)
Arenite (primarily SiO2)
Fossilized Shark Tooth
Fossil Chondrichthyes (various genera such as Carcharias or Odontaspis)
Sandstone
Arenite
Ferruginous Sandstone
Arenite with Iron-oxide cement
Chert
Chert (Silicon Dioxide, SiO2)
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Chert (containing Iron Oxide)
Microcrystalline Quartz (SiO2)
Druzy Quartz
Silicon Dioxide (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Selenite (Gypsum)
Hydrous calcium sulfate (CaSO4·2H2O)
Chert (Flint)
Microcrystalline Opaline Silica (SiO2)
Fossilized Oyster Shell
Gryphaea or Crassostrea fossil (Calcium Carbonate, CaCO3)
Ferruginous Chert
Microcrystalline Quartz (SiO2) with Iron Oxides
Chert (Jasper)
Silicon dioxide (SiO2)
Sandstone
Arenite (primarily Quartz, SiO2)
Chert (Chalcedony/Flint)
Silicon Dioxide (SiO2)
Bituminous Coal
Bituminous coal (Carbonaceous sedimentary rock)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Shale (possibly)
Shale (fine-grained clastic sedimentary rock)
Limestone
Sedimentary Rock (Calcium Carbonate, CaCO3)
Stromatolite
Laminated biogenic sedimentary structure (Cyanobacteria)
Sandstone (Quartzite texture)
Clastic sedimentary rock (primarily SiO2)
Sandstone with Manganese Oxide Patina
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Banded)
Clastic sedimentary rock (primarily SiO2)
Sandstone Concretion (Omar or Nut Rock)
Sedimentary Concretion (specifically an 'Omarolluk' or Omar)
Sandstone (Quartz-rich)
Clastic sedimentary rock (SiO2 primary)
Conglomerate
Clastic sedimentary rock (Polymictic Conglomerate)
Conglomerate
Conglomerate (clastic sedimentary rock type)
Sandstone (Cross-bedded Drill Core)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone (Weathered Cobble)
Clastic Sedimentary Rock (primarily SiO2)
Fossiliferous Sandstone (with Brachiopod or Bivalve mold)
Clastic Sedimentary Rock with Macrofossil Mold
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Conglomerate (River Rock)
Clastic sedimentary rock (primarily SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Ferruginous Conglomerate
Ferruginous Conglomerate (Clastic Sedimentary Rock)
Sandstone (Weathered Cobble)
Clastic sedimentary rock (primarily SiO2)
Travertine (often colloquially called Tufa)
Chemical Sedimentary Calcium Carbonate (CaCO3)
Sandstone (Pet Rock)
Clastic sedimentary rock (primarily SiO2)
Oolitic Limestone
Oolite (Sedimentary rock composed of CaCO3)
Sandstone (Quartzose Pebble)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Glacial Cobble)
Arenite / Sedimentary Rock (primarily SiO2)