Sandstone (Picture Sandstone)
Arenite (primarily SiO2)
Category
Browse mineral on sedimentary specimens identified by the Rock Identifier community.
Sandstone (Picture Sandstone)
Arenite (primarily SiO2)
Banded Sedimentary Rock
Sedimentary rock with mineral veins/banding
Generic Pebble / Rock Fragment
Lithic fragment / Weathered rock
Sandstone
Clastic sedimentary rock (Quartz arenite or Arkose)
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Brown Sandstone (River Rock)
Arenite
Sedimentary Sandstone with Iron Oxide
Ferruginous Sandstone
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Limonite Geode (Ironstone Concretion)
Limonite [FeO(OH)·nH2O] with possible Quartz or Calcite interior
Veined Sandstone with Calcite Veins
Sedimentary sandstone with hydrothermal/mineral veins
Sedimentary Sandstone
Arenite (Sedimentary Rock)
Green Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Siltstone / Slate
Siltstone / Low-grade Slate
Sandstone with Quartz/Calcite druse
Arenite with druse (SiO2 or CaCO3)
Shale
Argillaceous sedimentary rock
Sandstone
Arenite (primarily SiO2)
Magnetite (Iron Ore)
Iron(II,III) oxide (Fe3O4)
Fossil-bearing Sedimentary Rock
Sedimentum cum fossili
Shale and Pebble Fragment
Sedimentary Rock (Mudstone/Shale with Silica Pebble)
Galena
Lead Sulfide (PbS)
Sandstone
Clastic Sedimentary Rock
Sandstone (with man-made markings)
Arenite (composed primarily of Quartz, SiO2)
Siltstone Pebble with Veining
Siltstone
Sandstone
Arenite
Limonite / Ironstone
Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O
Sandstone pebble
Sandstone (mainly Quartz, SiO2)
Sedimentary Rock Fragments
Clastic Sedimentary Rock
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Fossiliferous Concretion
Septarian Concretion containing Brachiopods/Crinoids
Apatite
Ca5(PO4)3(F,Cl,OH)
Shale
Shale (clastic sedimentary rock)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Sandstone
Clastic sedimentary rock (primarily quartz arenite)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2 with Fe2O3)
Brown Sandstone
Arenite (primarily Quartz and Feldspar, with Iron Oxide cement)
Sandstone
Arenite
General Rock and Mineral Collection (Center: Angelite / Blue Anhydrite)
Anhydrite (Calcium Sulfate, CaSO4)
Pyrite
Iron Disulfide (FeS2)
Cone-in-cone structure (Limestone)
Cone-in-cone structure (Secondary Sedimentary Structure)
Sedimentary Rock (Limestone or Siltstone pebble)
Sedimentary rock fragment
Magnetite or Ironstone Nodule
Magnetite (Fe3O4) or Hematite-rich Sedimentary Nodule