Sandstone
Arenite
Category
Browse anthropogenic (man made material mimicking sedimentary rock) specimens identified by the Rock Identifier community.
Sandstone
Arenite
Sandstone
Arenite (SiO2 principal)
Chert
Microcrystalline Quartz (SiO2)
Chert (varieties include Flint and Mudstone)
Microcrystalline Silica (SiO2)
Sandstone
Arenite (Silicon Dioxide with various mineral cements)
Sandstone
Arenite (primarily SiO2)
Limestone
Calcareous sedimentary rock (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (primarily SiO2)
Chert Pebble
Chert (Microcrystalline Quartz, SiO2)
Sandstone
Arenite (SiO2 based with mineral cement)
Riverstone (Sandstone Pebble)
Arenite (SiO2 with various lithic fragments)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Chert (River Siltstone/Quartzite type)
Microcrystalline Quartz (SiO2)
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 oxides)
Chert
Chert (microcrystalline quartz)
Mudstone
Lutylite (group of fine-grained sedimentary rocks)
Sandstone
Arenite (SiO2 primarily)
Flint (or Chert with cortex)
Silicon dioxide (SiO2)
Sandstone (Iron-stained)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite (SiO2 with various cementing minerals)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variant)
Silicon Dioxide (SiO2)
Sandstone
Arenite
Sandstone
Arenite (predominantly SiO2 with iron oxides)
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Green Glass Slag
Amorphous Silicon Dioxide (SiO2) with metal oxide impurities
Sandstone
Sandstone (Siliciclastic Sedimentary Rock)
Sandstone
Arenite (Clastic Sedimentary Rock)
Polished white chalcedony or milky quartz pebble
Chalcedony, microcrystalline quartz (SiO₂), possibly with iron-oxide staining or a minor mineral inclusion
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone
Arenite
Geode (Unopened)
Quartz Geode (SiO2) / Chalcedony Concretion
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Sandstone
Arenite (primarily SiO2)
Limestone (Weathered Aggregate)
Sedimentary Carbonate Rock (CaCO3)
Sandstone
Arenite (SiO2 based)
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains)
Sandstone
Arenite (composed primarily of SiO2)