Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Category
Browse metamorphic (pseudo igneous) specimens identified by the Rock Identifier community.
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Moonstone (Feldspar)
Orthoclase or Oligoclase (KAlSi3O8)
Garnet (Almandine/Pyrope series)
Silicate mineral (Almandine: Fe3Al2Si3O12; Pyrope: Mg3Al2Si3O12)
Magnetite Orthorthotropic Rock
Magnetite (Fe3O4)
Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine)
Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon dioxide (SiO2)
Green Aventurine
Silicon Dioxide (SiO2) with Chromium-rich Fuchsite mica
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Garnetiferous Pegmatite
Pegmatite with Almandine Garnet and Muscovite
Corundum
Corundum (Aluminium oxide, Al2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky and Smoky variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Magnetite / Iron Ore
Magnetite (Fe3O4)
White Sapphire
Corundum (Al2O3)
Mica
Phlogopite or Biotite group (KMg3(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Hypersthene
Hypersthene ((Mg,Fe)SiO₃)
Labradorite
Labradorite (Ca, Na)(Al, Si)4O8
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)
Pyrite in Matrix (Fool's Gold)
Iron Sulfide (FeS2)
Jadeite and Assorted Corundum (Ruby/Sapphire) / Beryl (Emerald)
Jadeite (NaAlSi2O6), Ruby/Sapphire (Al2O3), Emerald (Be3Al2(SiO3)6)
Sodalite
Sodalite (Na4Al3Si3O12Cl)
Zoisite with Ruby
Anyolite (Calcium aluminum hydroxy silicate with Corundum) Ca2Al3(SiO4)3(OH)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
Muscovite Mica
Muscovite / KAl2(AlSi3O10)(OH)2
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Magnetite
Magnetite (Fe3O4)
Labradorite (a variety of Feldspar)
Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)