Fossilized Shark Tooth
Carcharhinus sp. (likely Bull or Requiem shark family)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Fossilized Shark Tooth
Carcharhinus sp. (likely Bull or Requiem shark family)
Sandstone (Ferruginous)
Arenite (with Iron Oxide)
Quartz (Clear/Smoky Geode fragment)
Silicon Dioxide (SiO2)
Dendritic Agate (also known as Dendritic Siltstone or Mudstone)
Silicon Dioxide with Manganese/Iron Oxide inclusions (SiO2 + MnO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Amber
Succinite (specifically for Baltic amber); chemical formula approx. C10H16O
Greasy Quartz (likely carved Milky Quartz or Aventurine)
Silicon Dioxide (SiO2)
Hematite
Ferric oxide (Fe2O3)
Quartz Vein with Iron Staining
Silicon Dioxide (SiO2) with limonite/hematite staining
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Lepidolite and Rubellite (Pink Tourmaline)
Lepidolite [K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2] and Rubellite [Na(Li,Al)3Al6(BO3)3Si6O18(OH)4]
Basalt with Amygdules
Amygdaloidal Basalt
Smoky Quartz
SiO2 (Silicon Dioxide)
Banded Agate (Geode Fragment)
Silicon Dioxide (SiO2) - Variety Agate
Amethyst (Tumbled)
Amethyst (Silicon Dioxide, SiO2 + Fe4+)
Blue Chalcedony
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Sandstone
Arenite (composed primarily of SiO2)
Common Opal in Host Rock
Hydrated Silica (SiO2·nH2O)
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic extrusive volcanic rock with secondary mineral infilling)
Dalmation Stone (Dyed)
Peralkaline rhyolite
Sodalite (Dotted or Spotted Variety)
Sodalite (Na8(Al6Si6O24)Cl2)
Beryl (Aquamarine) in Matrix
Beryllium aluminum silicate (Be3Al2(SiO3)6)
Granodiorite
Phaneritic intrusive igneous rock (intermediate composition)
Chrysocolla on Limonite Matrix
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) on FeO(OH)·nH2O (Limonite)
Granite
Phaneritic Felsic Igneous Rock
Limonite (Iron Ore)
Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)
Greenstone (Metabaltic/Greenschist)
Chlorite schist / Meta-basalt
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Chakra Stone Tower (Composite Multi-Mineral)
Crystalline Silicon Dioxide composite (SiO2) with various inclusions
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)
Rough Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of crocidolite or dumortierite
Honey Calcite
Calcium Carbonate (CaCO3)
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
Dendritic Agate
Silicon Dioxide with Manganese/Iron oxide inclusions (SiO2)
Prehnite
Prehnite - Ca2Al(AlSi3O10)(OH)2
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
Muscovite Mica (with Quartz)
Muscovite (KAl2(AlSi3O10)(OH)2)
Biotite (Black Mica)
Biotite [K(Mg,Fe)3(AlSi3O10)(F,OH)2]
Sandstone (specifically Lithic or Quartz Arenite)
Arenite (composed primarily of SiO2)
Goethite (Iron Ore)
Goethite (FeO(OH))