Shark Tooth Fossil
Chondrichthyes (class) fossilized tooth
Category
Browse mineral on sedimentary specimens identified by the Rock Identifier community.
Shark Tooth Fossil
Chondrichthyes (class) fossilized tooth
Banded Ironstone / Jasper Siltstone
Siltstone with Iron Oxide Hydrates (SiO2 with Fe2O3/FeO(OH))
Ferruginous Sandstone
Arenite with Iron-Oxide cement (Fe2O3 · nH2O)
Sandstone
Arenite
Sandstone Pebble
Quartz Sandstone
Sandstone Pebble
Arenite (SiO2 based)
Fluorite
Calcium Fluoride (CaF2)
Sandstone (River Cobble / Pebble)
Sedimentary Rock (Quartz Sandstone / Arenite)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Iron Oxide cement)
Jasper or Agate
Silicon dioxide (SiO2)
Limonite
FeO(OH)•nH2O
Botryoidal Goethite
Goethite (α-Fe3+O(OH))
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
Sandstone
Sedimentary rock composed mainly of sand-sized minerals or rock grains
Jasper with Purple Fluorite or Chalcedony
Silicon Dioxide (SiO2) with mineral inclusions
Quartz Pebble
Silicon Dioxide (SiO2)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Shale or Siltstone
Fine-grained siliciclastic sedimentary rock
Banded Gneiss
Gneiss (Felsic to Mafic Metamorphic Rock)
Sandstone (with Limonite staining)
Arenite (primarily SiO2 with FeO(OH)·nH2O)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Mixed Mineral Collection
Multi-mineral Assemblage (Quartz, Jasper, Obsidian, Pyrite, etc.)
Celestine (Celestite)
Strontium sulfate (SrSO4)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz (Chert / Agate / Chalcedony)
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Sandstone
Arenite (Siliclastic sedimentary rock), SiO2 + various minerals
Orange Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Halite (Rock Salt)
Halite (Sodium Chloride, NaCl)
Magnetite (Lodestone variant potential)
Magnetite (Fe3O4)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Pyrite
Iron Sulfide (FeS2)
Gold Mineral
Native Gold (Au)
Graphite
Graphite (Carbon, C)
Sandstone (Iron-stained)
Arenite (primarily SiO2 with Fe2O3 staining)
Sandstone
Arenite (SiO2 primarily)
Fossil Sea Urchin (Echinoid)
Echinoidea fossil (often replaced by silica or calcite)
Calcite
Calcium Carbonate (CaCO3)
Barite
Barium Sulfate (BaSO4)