Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
Category
Browse igneous or metamorphic specimens identified by the Rock Identifier community.
Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite (potentially Hematite)
Magnetite (Fe₃O₄)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
Garnet (Almandine/Pyrope series)
Garnet Group - X3Y2(SiO4)3
Magnetite Orthorthotropic Rock
Magnetite (Fe3O4)
Pyrite
Iron Sulfide (FeS2)
Magnetite
Magnetite (Fe3O4)
Pyrite in Quartz Matrix
Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Magnetite (Lodestone)
Magnetite (Fe3O4)
Chalcopyrite
CuFeS2 (Copper Iron Sulfide)
Quartz with Inclusions
Silicon Dioxide (SiO2)
Galena
Lead Sulfide (PbS)
Clear Quartz (Faceted Crystal)
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3 with chromium trace elements)
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Venetian Gold Granite
Phaneritic Felsic Igneous Rock (Granite)
Magnetite (Small Granule)
Magnetite (Fe3O4)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Pyrite in Matrix
Iron Sulfide (FeS2)
Garnet (Almandine)
Almandine Garnet (Fe3Al2(SiO4)3)
Green Aventurine
Silicon Dioxide (SiO2) with Chromium-rich Fuchsite mica
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Greenschist
Chlorite Schist
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Apatite
Ca5(PO4)3(F,Cl,OH)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz fragment
Silicon Dioxide (SiO2)
Blue Apatite
Apatite Group (Ca5(PO4)3(F,Cl,OH))
Natural Gemstone Cabochons (Ruby, Moonstone, Emerald, Citrine)
Ruby (Al2O3:Cr), Moonstone (KAlSi3O8), Emerald (Be3Al2(SiO3)6:Cr), Citrine (SiO2)
Greenstone or Epidote-rich rock
Epidote or Chlorite schist/greenstone