Sandstone Pebble
Sandstone (primarily Quartz, SiO2)
Category
Browse anthropogenic (man made material mimicking sedimentary rock) specimens identified by the Rock Identifier community.
Sandstone Pebble
Sandstone (primarily Quartz, SiO2)
Sandstone
Arenite
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz, SiO2)
Banded agate pendant (likely carnelian or brown-and-white chalcedony agate)
Agate, a banded variety of chalcedony; microcrystalline quartz, SiO₂, with iron-oxide coloration
Sandstone
Arenite (SiO2 based with various mineral cements)
Sandstone
Arenite (primarily SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
Sandstone
Clastic Sedimentary Rock
Chert Nodules (with Quartz Inclusions)
Microcrystalline Quartz (SiO2)
Red Sandstone
Arenite (primarily Quartz with Iron Oxide coating)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 based)
Polished red jasper
Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides
Coal
Combustible sedimentary rock
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Sandstone
Arenite
Sandstone
Arenite
Sandstone
Arenite (primarily SiO2)
Quartz Vein in River Siltstone
Crystalline Quartz (SiO2) in Siliclastic Matrix
Mudstone
Argillite
Glazed Ceramic Tile
Fused Silicate-Clay composite
Weathered sandstone cobble
Quartz-rich sandstone, primarily SiO₂ with clay/iron-oxide cement
Sandstone
Arenite (primarily SiO2)
Chert (Brecciated Chert)
Silicon Dioxide (SiO2)
Ferrochrome Slag
Industrial Glassy Slag (Fe-Cr alloy byproduct)
Limestone
Calcium Carbonate (CaCO3)
Sedimentary Sandstone
Arenite (Sedimentary Rock)
Jasper
Microcrystalline Quartz (Chalcedony), SiO2
Sandstone (Ferruginous)
Arenite (Siliclastic Sedimentary Rock)
Sandstone
Arenite (primarily SiO2)
Sandstone
Clastic sedimentary rock
Sandstone
Clastic Sedimentary Rock
Sedimentary Rock (Limestone or Siltstone pebble)
Sedimentary rock fragment
Sandstone
Arenite
Sandstone
Clastic Sedimentary Rock
Sandstone
Sedimentary Clastic Rock
Sandstone
Clastic Sedimentary Rock
Sandstone
Clastic Sedimentary Rock
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains)
Red Sandstone
Arenite (SiO2 with Fe2O3)
Sandstone (Weathered Pebble)
Arenite (SiO2 primarily)