Sandstone (Picture Sandstone)
Arenite (primarily SiO2)
Category
Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.
Sandstone (Picture Sandstone)
Arenite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone (Tumbled/River Pebble)
Arenite (composed primarily of SiO2)
Pebble
Clast (specifically a granule or small pebble)
Sandstone or Limestone
Arenite or Calcareous Sedimentary Rock
Quartz Geode (likely within Limestone or Dolomite matrix)
Quartz (SiO₂)
Herkimer Diamond
Quartz (Silica - SiO2)
Pyrite in Shale
Iron Disulfide (FeS2)
Agate (specifically a Yellow/Honey Agate)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Sandstone
Arenite (SiO2 predominantly)
Breciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Sandstone (with Iron Staining)
Clastic sedimentary rock (SiO2 with Fe2O3 oxides)
Sandstone Concretion
Sedimentary concretion
Sandstone
Clastic Sedimentary Rock (composed mostly of SiO2)
Sandstone (Ferruginous)
Arenite with Iron Oxide (Limonite/Hematite) coating
Sandstone (Quartzite-rich)
Clastic sedimentary rock (SiO2 primary)
Sandstone
Arenite
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (likely Arkosic)
Clastic Sedimentary Rock
Sandstone (likely Siltstone or fine-grained Sandstone)
Sedimentary Rock (Clastic)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Sandstone (lithic wacke)
Arenite / Lithic Wacke (mostly SiO2 with rock fragments)
Quartz (Druzy)
Silicon Dioxide (SiO2)
River Rock (likely Siltstone or fine-grained Sandstone)
Clastic Sedimentary Rock
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2)
Fish Fossil in Limestone
Lycoptera (likely) in Micritic Limestone
Hag Stone
Perforated Sedimentary Rock
Sandstone
Arenite
Shale (with Iron Oxide staining)
Fissile Mudstone (primarily Quartz and Clay minerals)
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Dalmatian Jasper / Dalmatian Stone
Peralkaline Rock (Silicon Dioxide with Amphibole inclusions)
Sandstone
Arenite (Sedimentary Rock)
Geode (Unopened)
Siliceous Geode (SiO2)
Sandstone Cobble
Clastic Sedimentary (Sandstone)
Silty Shale
Silty Shale (Fissile Sedimentary Rock)
Smoky Quartz and Chalcedony Geode Fragment
Silicon Dioxide (SiO2)
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
Shale
Argillaceous Rock
Sandstone
Arenite (SiO2 primarily)
Geode with Quartz and possibly Jasper/Hematite
Quartz (SiO2) and Chalcedony (cryptocrystalline SiO2), possibly stained by iron oxides