Sandstone
Arenite (SiO2 principal component)
Category
Browse sedimentary (man made composite) specimens identified by the Rock Identifier community.
Sandstone
Arenite (SiO2 principal component)
Sandstone with Iron Staining
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
Sandstone (Pebble)
Clastic sedimentary rock (SiO2 primary)
Sandstone (Weathered Pebble)
Arenite (SiO2 primarily)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
Crushed Limestone Aggregate
Limestone (Calcium Carbonate, CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (likely Arkose)
Arenite (composed mainly of SiO2 with Feldspar)
Sandstone
Arenite (often composed of Quartz, SiO2)
Sandstone (likely Arkosic or Quartzose)
Sandstone (SiO2 with inclusions)
Limestone (River Stone)
Limestone (Calcium Carbonate, CaCO3)
Sandstone (likely Arkosic or Lithic)
Clastic Sedimentary Rock (SiO2 with accessory minerals)
Sandstone (Pebble)
Arenite (SiO2 based)
Sandstone Pebble
Arenite (primarily Quartz, SiO2)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Limestone
Calcium Carbonate (CaCO3)
Sandstone (with prominent jointing/fractures)
Arenite (composed primarily of SiO2)
Crushed Limestone
Calcite-rich Sedimentary Rock (CaCO3)
Sandstone (with potential Quartzite characteristics)
Clastic sedimentary rock (primarily SiO2)
Map Jasper (Grey Picasso Jasper)
Silicon Dioxide (SiO2) with impurities
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
Banded Sandstone / Siltstone
Sedimentary Rock (Quartzose Sandstone / Siltstone)
Milky Quartz
Silicon Dioxide (SiO2)
Feldspar (specifically Orthoclase or Plagioclase)
Potassium Aluminum Silicate (KAlSi3O8) or Sodium/Calcium Aluminum Silicate
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Chert (Basanite / Jasperoid)
Microcrystalline Quartz (SiO2)
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Ironstone
Ferruginous Sedimentary Rock (composed of Goethite, Hematite, and Limonite)
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Limestone
Sedimentary rock composed primarily of Calcium Carbonate (CaCO3)
Sandstone or Mudstone
Sedimentary Rock (Sandstone/Mudstone)
Red Sandstone
Clastic sedimentary rock (primarily Quartz with Hematite)
Red Sandstone (Arkose)
Clastic Sedimentary Rock (Lithic Arkose)
Red Sandstone
Arenite (primarily composed of SiO2 with Fe2O3 cement)
White Chalcedony (Agate)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement
Sandstone (with Iron Staining)
Sandstone (mainly Quartz, SiO2, with Iron Oxides like Goethite/Hematite)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Painted Rock
Weathered Sedimentary Rock (Painted)