Sandstone (Pebble)
Arenite (primarily SiO2)
Category
Browse sedimentary (biogenic) specimens identified by the Rock Identifier community.
Sandstone (Pebble)
Arenite (primarily SiO2)
Limestone
Limestone (Calcium Carbonate - CaCO3)
Sandstone
Arenite (SiO2 primarily)
Limestone (specifically Chalky Limestone)
Calcium Carbonate (CaCO3 / Calcite)
Sandstone (Weathered Pebble)
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of Quartz, SiO2)
Sandstone (Quartz-rich)
Sandstone (SiO2 dominated)
Limestone (specifically Crushed Limestone/Calcictic)
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (typically SiO2 + others)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Shale
Shale (comprised mostly of clay minerals and quartz)
Red Sandstone
Arenite (Ferruginous Sandstone)
Sandstone Cobble
Arenite (Secondary classification based on grain size)
Dalmatian Stone (Dalmatian Jasper)
Dalmatian Stone (A variety of Perthite / Aplite)
Sandstone (Quartzose)
Arenite (SiO2 based)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (specifically Red Sandstone)
Arenite (primarily Quartz, SiO2)
Sandstone
Arenite
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 based)
Sandstone (Weathered Pebble)
Arenite (primarily SiO2)
Sandstone (Stream-rounded)
Arenite (SiO2 based)
Dolomite or Limestone (Carbonate Rock)
CaMg(CO3)2 (Dolomite) or CaCO3 (Limestone / Calcite)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Red Sandstone
Arenite
Sandstone
Arenite (SiO2-rich)
Sandstone
Arenite
Shale
Fissile Mudstone (Shale)
Limestone (Decorative Gravel)
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (Sedimentary rock composed of sand-sized grains)
Limestone (Fossiliferous)
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 based)
Shale (possibly Carbonaceous or Oil Shale)
Laminated Mudstone (primarily clay minerals and quartz)
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (with iron oxide cement, Fe2O3)
Limestone (specifically Fossiliferous Limestone)
Calcium Carbonate (CaCO3)