Native Copper
Native Copper (Cu)
Category
Browse sedimentary (processed mineral product) specimens identified by the Rock Identifier community.
Native Copper
Native Copper (Cu)
Limonite (Iron Stone/Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
Red Coral
Corallium rubrum (for precious red coral), although other species like Corallium japonicum and Paracorallium are also used.
Banded Calcite (often sold as Caribbean Calcite or Honey Calcite)
Calcium Carbonate (CaCO3)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Blue Goldstone
Goldstone (artificial glass)
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Sandstone (Ferruginous)
Arenite (complex silicate composition with iron oxides)
Sandstone
Arenite (SiO2 based)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
Himalayan Pink Salt (Halite)
Halite (Sodium Chloride, NaCl)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
Jasper with Quartz Vein
Silicon Dioxide (SiO2) with impurities
Chert
Silicon dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 cement)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Gneiss (with Quartzite and Mica)
Gneiss
Sandstone
Arenite
Sandstone (with Limonite staining)
Arenite (FeOx-rich)
Limestone
Calcium Carbonate (CaCO3)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) cementing agents)
Sandstone
Arenite (SiO2 based with mineral cement)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Quartz Geode
Silicon Dioxide (SiO2) in a Secondary Formation
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone (Fossiliferous)
Arenite / Clastic Sedimentary Rock
Sandstone
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Optical Calcite
Calcite (Calcium Carbonate, CaCO3)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Yellow Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Red Jasper (Polished)
Silicon Dioxide (SiO2) with Hematite inclusions
Blue Chalcedony
Chalcedony (cryptocrystalline Silicon Dioxide - SiO2)
Blue Kyanite
Kyanite (Al2SiO5)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Orange Calcite
Calcium Carbonate (CaCO3)