Fossiliferous Limestone
Biogenic Calcium Carbonate (CaCO3)
Category
Browse sedimentary (man made composite) specimens identified by the Rock Identifier community.
Fossiliferous Limestone
Biogenic Calcium Carbonate (CaCO3)
Sandstone
Arenite
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 oxides)
Ferruginous Sandstone
Clastic Sedimentary Rock (Iron-rich)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (with potential fossil inclusions)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Weathered Pebble)
Arenite (composed primarily of SiO2)
Kambaba Jasper (Crocodile Jasper)
Stromatolite (Fossilized Algae)
Limonite (Iron Stone/Ocher)
Limonite (FeO(OH)·nH2O)
Sulfur (on Matrix)
Native Sulfur (S8)
Sandstone
Arenite (Siliclastic sedimentary rock, primarily SiO2)
Dalmatian Jasper
Dalmatian Stone (a microcrystalline quartz and feldspar rock with arfvedsonite)
Sandstone Pebble (Quartzite-rich)
Clastic Terrigenous Sedimentary Rock (SiO2 dominant)
Sandstone (with differential weathering)
Arenite / Quartz Sandstone (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (specifically an Iron-Concretion)
Arenite with Iron Oxide (Limonite/Goethite) cementation
Hematite
Hematite, Iron(III) oxide (Fe2O3)
Mookaite Jasper
Silicified Radiolarite (SiO2)
Barite Rose on Marcasite
Barium Sulfate (BaSO4) on Iron Sulfide (FeS2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Limestone
Calcium carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Arenite (primarily SiO2)
Limestone
Calcareous sedimentary rock (primarily Calcium Carbonate, CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
Limestone
Calcium Carbonate (CaCO3)
Red Mudstone (Siltstone)
Lutite (primarily Quartz and Clay minerals with Hematite)
Limestone
Calcium Carbonate (CaCO3)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Greywacke/Lithic Sandstone)
Arenite (composed primarily of SiO2)
Limonitic Sandstone (Stained Sandstone)
Clastic Sedimentary Rock with Iron Oxide (Limonite/Goethite) staining
Sandstone
Arenite (composed primarily of Quartz: SiO2)
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
Sandstone (Ferruginous)
Arenite (Fe2O3 staining)
Sandstone (likely Arkose or Quartz Sandstone)
Arenite (SiO2 principal component)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 based)
Limestone
Calcium Carbonate (CaCO3)
Amber (Cherry or Red variety)
Succinite (with various trace amounts of organic compounds)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (Litharenite)
Sodalite
Sodalite (Sodium Aluminum Silicate Chloride), Na8(Al6Si6O24)Cl2