Sandstone
Clastic Sedimentary Rock (Quartz arenite or similar)
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Sandstone
Clastic Sedimentary Rock (Quartz arenite or similar)
Sandstone
Sandstone (clastic sedimentary rock, predominantly SiO2)
Fossilized Shell in Limestone
Carbonate sedimentary rock with Bivalvia or Brachiopoda remains
Sandstone
Sandstone (Sedimentary rock composed of silicate grains)
Calcite (likely honey/orange calcite)
Calcite — calcium carbonate, CaCO₃
Jasper, Agate, Quartz Mix (Polished Beads)
SiO₂ (Silicon Dioxide) for Quartz. Jasper and Agate are cryptocrystalline varieties of Quartz.
Sandstone
Arenite or Sandstone
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
Sandstone
Quartz Arenite / Clastic Sedimentary Rock
Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
Limestone (Weathered/Silicified)
Sedimentary carbonate rock (primarily CaCO3)
Red Sandstone
Sedimentary Clastic Rock (Quartz Arenite)
Sandstone (with Calcite or Silica veins)
Clastic sedimentary rock (primarily SiO2)
Fossilized Rugose Coral in Limestone
Order Rugosa in Sedimentary Matrix (CaCO3)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Conglomerate
Clastic sedimentary rock (Polymictic Conglomerate)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Bituminous Coal
Organic Sedimentary Rock (Carbon-based)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Red Jasper
Silicon Dioxide with Iron Oxide (SiO2)
Chert / Flint Jasper
Microcrystalline Quartz (SiO2)
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
Sandstone
Arenite (primarily SiO2)
Sandstone (Tumbled/River Pebble)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 dominant)
Sandstone
Arenite
Piddock bored rock (likely Mudstone or Shale)
Ichnofossil (Gastrochaenolites borings) in Fine-grained Sedimentary Rock
Sandstone
Sandstone (clastic sedimentary rock)
Selenite (variety of Gypsum)
Calcium sulfate dihydrate (CaSO4·2H2O)
Sandstone (Quartzose)
Arenite (composed primarily of SiO2)
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 based)
Chalcedony Geode
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone with Quartz Vein
Arenite with SiO2 intrusion
Sandstone (Ferruginous)
Arenite (with Iron Oxide)
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Sandstone
Sedimentary Rock (Quartz Sandstone)
Sandstone
Sedimentary Rock (Quartz arenite)
Conglomerate
Conglomerate (Clastic Sedimentary Rock)