Sandstone
Arenite
Category
Browse mineral on sedimentary rock specimens identified by the Rock Identifier community.
Sandstone
Arenite
Sandstone (Banded)
Clastic Sedimentary Rock: Arenite
Conglomeratic Sandstone
Clastic Sedimentary Rock
Fossilized Bark
Lepidodendron / Sigillaria fossil impression
Sandstone Cobble
Clastic Sedimentary (Sandstone)
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
Quartz-veined Limestone
Sedimentary limestone with quartz/calcite veinlets
Sandstone (Ferruginous)
Clastic sedimentary rock (SiO2 with Fe2O3)
Sandstone with Manganese Staining
Quartz Arenite / Sedimentary Rock
Quartz (Druzy)
Silicon Dioxide (SiO2)
Sandstone or Weathered Conglomerate
Sedimentary Rock (Quartzose Sandstone / Lithic Arenite)
Sandstone
Arenite
Geode (Unopened)
Siliceous Geode (SiO2)
Shale
Argillaceous Sedimentary Rock
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Red Sandstone
Arenite (Ferruginous Sandstone)
Quartz Geode (likely within Limestone or Dolomite matrix)
Quartz (SiO₂)
Sandstone Pebble
Sedimentary Rock (Quartz Arenite)
Jasper and Agate Mix
Silicon dioxide (SiO2) - Microcrystalline Quartz
Brachiopod Fossil in Matrix
Phylum Brachiopoda
Sandstone
Clastic Sedimentary Rock
Sandstone
Clastic Sedimentary Rock
Stream-Rounded Shale or Mudstone
Argillaceous sedimentary rock
Shale
Lutaceous Rock (Hydrous Aluminum Silicates)
Sandstone (Sedimentary Rock)
Arenite (SiO2 based)
Sandstone
Arenite (SiO2 based)
Sandstone
Clastic Sedimentary Rock (Quartz arenite)
Sandstone
Clastic sedimentary rock (Quartz arenite)
Jasper with Purple Fluorite or Chalcedony
Silicon Dioxide (SiO2) with mineral inclusions
Quartz Geode
Silicon Dioxide (SiO2) in a sedimentary or volcanic host
Geode or Concretion
Silica-filled nodule (likely SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Sandstone
Arenite
Ironstone Concretion (Moqui Marble / Boji Stone)
Sedimentary Iron Oxide Concretion (Fe2O3 / FeO(OH))
Fish Fossil in Limestone
Lycoptera (likely) in Micritic Limestone
Gravel / Limestone Fragment
Calcium Carbonate (CaCO3) / Fine-grained Sedimentary Rock
Starfish Fossil
Asteroidea fossil
Pyrite in Matrix
Iron Disulfide (FeS2)
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
Dalmatian Jasper / Dalmatian Stone
Peralkaline Rock (Silicon Dioxide with Amphibole inclusions)
Druzy Quartz on Sandstone
Silicon Dioxide (SiO2) with Quartz Crystals on Clastic Sedimentary Rock
Smoky Quartz and Chalcedony Geode Fragment
Silicon Dioxide (SiO2)