Magnetite (Iron Ore)
Magnetite (Fe3O4)
Category
Browse metamorphic (pseudo igneous) specimens identified by the Rock Identifier community.
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Magnetite / Iron Ore
Magnetite (Fe3O4)
Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine)
Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)
Quartz (Raw and Water-worn)
Silicon Dioxide (SiO2)
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium aluminum silicate hydroxide fluoride [KAl2(AlSi3O10)(F,OH)2]
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky and Smoky variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Magnetite (Charnockite Regional Variation)
Magnetite (Fe3O4)
White Sapphire
Corundum (Al2O3)
Moonstone (Feldspar)
Orthoclase or Oligoclase (KAlSi3O8)
Garnet (Almandine/Pyrope series)
Silicate mineral (Almandine: Fe3Al2Si3O12; Pyrope: Mg3Al2Si3O12)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz pebble / River stone
SiO2 (Silicon Dioxide)
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Labradorite
(Ca,Na)(Al,Si)4O8
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
Muscovite
Muscovite (KAl2(AlSi3O10)(OH)2)
Zoisite with Ruby
Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)
Hypersthene
Hypersthene ((Mg,Fe)SiO₃)
Quartz with Iron Staining
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon dioxide (SiO2)
Hypersthene (or Enstatite/Ferrosilite)
Orthopyroxene series (Mg,Fe)SiO3 - specifically, historically hypersthene (intermediate member) now referred to as Enstatite (Mg-rich) or Ferrosilite (Fe-rich)
Muscovite Mica
Muscovite / KAl2(AlSi3O10)(OH)2
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Labradorite (a variety of Feldspar)
Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)
Magnetite (or Magnetic Iron Ore)
Magnetite (Fe3O4)
Corundum
Corundum (Aluminium oxide, Al2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)