Sandstone
Arenite
Category
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
Sandstone
Arenite
Chert Conglomerate (or Breccia)
Sedimentary Clastic Rock (variety: Ferruginous Chert Breccia)
Banded Calcite (Green Onyx)
Calcium Carbonate (CaCO3)
Gneiss (specifically Granitic Gneiss)
Gneiss (composed primarily of Quartz, Feldspar, and Biotite/Amphibole)
Jasper
Silicon Dioxide (SiO2) with impurities
Turquoise
Hydrated phosphate of copper and aluminum - CuAl6(PO4)4(OH)8·4H2O
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Limonite Concretion (Ironstone)
Limonite (FeO(OH)·nH2O) / Goethite
Sandstone with Iron Oxide (Limonite/Hematite)
Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)
Chalcedony with Druzy Quartz Geode
Silicon Dioxide (SiO2)
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
Quartz / Common Opal Transition
Silicon Dioxide (SiO2)
Chert (Nodule)
Crystalline Silicon Dioxide (SiO2)
Yellow Chalcedony or River Jasper
Silicon Dioxide (SiO2)
Dalmatian Jasper (Dalmatian Stone)
Perthitic feldspar with Arfvedsonite inclusions
Fancy Jasper
Silicon Dioxide (SiO2) with mineral inclusions
Sandstone (likely Greywacke or Siltstone variety)
Arenite / Siltstone (primarily SiO2)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone (Quartzose)
Arenite (SiO2 based)
Sandstone (Iron-stained)
Clastic sedimentary rock (SiO2 with Fe2O3 staining)
Sandstone (Pebble/Conglomerate fragment)
Sandstone (clastic sedimentary rock)
Sandstone
Arenite (SiO2 + various cementing minerals)
Zebra Rock (Zebra Stone / Ribbon Stone)
Siltstone with Ferruginous Banding (Primarily Quartz, Kaolinite, and Hematite)
Herkimer Diamond
Double-Terminated Quartz (SiO2)
Sandstone (Weathered)
Arenite (primarily SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Moss Agate
Silicon Dioxide (SiO2) with inclusions of manganese or iron oxides
Red Sandstone (Iron-Rich)
Arenite (Fe2O3)
Sandstone (with manganese staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (with banding/weathering)
Clastic Sedimentary Rock (primarily SiO2)
Red Sandstone (Arkose)
Clastic Sedimentary Rock (Lithic Arkose)
Sandstone
Sandstone (Clastic Sedimentary Rock)
Chalcedony
Silicon Dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Specular Hematite
Iron Oxide (Fe2O3)
Chalcedony (Agate/Carnelian)
Cryptocrystalline Silicon Dioxide (SiO2)
Blue Chalcedony
Chalcedony (SiO2)
Turquoise with Pyrite
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)