Limestone (Pebble)
Calcium Carbonate (CaCO3)
Category
Browse sedimentary (man made conglomerate) specimens identified by the Rock Identifier community.
Limestone (Pebble)
Calcium Carbonate (CaCO3)
Sandstone
Arenite (SiO2 primarily)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
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)
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
Banded Sandstone / Siltstone
Sedimentary Rock (Quartzose Sandstone / Siltstone)
Map Jasper (Grey Picasso Jasper)
Silicon Dioxide (SiO2) with impurities
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)
Sandstone or Mudstone
Sedimentary Rock (Sandstone/Mudstone)
White Chalcedony (Agate)
Silicon Dioxide (SiO2)
Sandstone (with Iron Staining)
Sandstone (mainly Quartz, SiO2, with Iron Oxides like Goethite/Hematite)
Sandstone (Pebble)
Sandstone (SiO2 dominated clastic sedimentary rock)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Painted Rock
Weathered Sedimentary Rock (Painted)
Sandstone
Arenite (primarily SiO2)
Sandstone Pebble
Arenite (SiO2 with various cementing agents)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Quartz-rich sandstone or quartzite fragment
Likely quartz arenite; possibly weakly metamorphosed quartzite (mostly SiO₂)
Sandstone
Arenite (SiO2 based with cement)