Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Category
Browse sedimentary (synthetic) specimens identified by the Rock Identifier community.
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 primarily)
Sandstone (with Possible Iron Staining/Crust)
Arenite (SiO2 based)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous/Banded)
Clastic Terrigenous Sandstone (SiO2 with Fe2O3 cement)
Sandstone (Greywacke/Lithic Sandstone)
Arenite / Lithic Sandstone
Limestone with Calcite Veining
Calcium Carbonate (CaCO3)
Limestone (specifically Travertine or Tufa)
Calcium Carbonate (CaCO3)
Sandstone
Arenite (composed primarily of SiO2)
Ferruginous Sandstone (Red Sandstone)
Arenite with Hematite/Limonite cement
Sandstone (Ferruginous)
Arenite (iron-rich)
Limestone
Calcium carbonate (CaCO3)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (Iron-rich)
Sandstone (Weathered Pebble)
Arenite (SiO2 primarily)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (SiO2 based with mineral cement)
Limestone (River Pebble)
Calcium Carbonate (CaCO3)
Dalmation Stone
Peralkaline Rock (SiO2 with Arfvedsonite)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone (likely Arkose)
Arenite (composed mainly of SiO2 with Feldspar)
Sandstone (likely Arkosic or Quartzose)
Sandstone (SiO2 with inclusions)
Sandstone
Arenite
Sandstone
Arenite (often composed of Quartz, SiO2)
Sandstone (Quartz-rich)
Arenite (SiO2 based)
Limestone
Calcium Carbonate (CaCO3)
Crushed Limestone Aggregate
Limestone (Calcium Carbonate, CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone Pebble
Arenite (primarily Quartz, SiO2)
Chert (Quartz Variety)
Chert (mostly SiO2 / Silicon Dioxide)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Crushed Limestone and Calcite
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily SiO2 with various cementing agents)
Sandstone
Arenite/Quartz Arenite
Sandstone (Ferruginous)
Arenite with Iron Oxides
Sandstone (with prominent jointing/fractures)
Arenite (composed primarily of SiO2)
Limestone
Calcite-rich sedimentary rock (CaCO3)
Geode (Unopened)
SiO2 (Quartz-filled Sedimentary Nodule)
Quartz Vein in Sandstone
Quartz (SiO2) in Clastic Sedimentary Rock
Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (primarily SiO2)
Sandstone Concretion
Sandstone (Sedimentary rock, mostly SiO2)