Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Metamorphic Or Igneous (Context Dependent)
Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.
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Quartz pebble
Silicon dioxide (SiO2)
mineral
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
mineral
Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
mineral
Green Aventurine
SiO2
mineral
Peacock Ore
Bornite (Cu5FeS4)
mineral
Sapphire (Corundum variety)
Sapphire (Al₂O₃)
Mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Magnetite (potentially Hematite)
Magnetite (Fe₃O₄)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Green Tourmaline (Verdelite) / Actinolite
Tourmaline group: Na(Mg,Fe,Li,Al,Mn)3Al6(BO3)3Si6O18(OH)4 / Actinolite: Ca2(Mg,Fe)5Si8O22(OH)2
mineral
Garnet (Almandine/Pyrope series)
Garnet Group - X3Y2(SiO4)3
mineral
Biotite Mica Schist
Metamorphic Rock containing Biotite K(Mg,Fe)3AlSi3O10(OH)2
metamorphic
Magnetite / Hematite (Iron Ore)
Magnetite (Fe3O4) or Hematite (Fe2O3)
mineral
Lapis Lazuli
(Na,Ca)8(Al,Si)12O24(S,SO4)(Cl)2
mineral
Ruby (varieties of Corundum)
Aluminum oxide (Al2O3) with Chromium traces
mineral
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite in Quartz Matrix
Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Biotite (Black Mica)
K(Mg,Fe)3AlSi3O10(OH,F)2
mineral
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Quartz with Inclusions
Silicon Dioxide (SiO2)
mineral
Galena
Lead Sulfide (PbS)
mineral
Clear Quartz (Faceted Crystal)
Silicon Dioxide (SiO2)
mineral
Ruby
Corundum (Al2O3 with chromium trace elements)
gemstone
Venetian Gold Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Magnetite (Small Granule)
Magnetite (Fe3O4)
mineral
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
mineral
Greenish Metamorphic Rock (likely containing epidote or chlorite)
Metamorphic rock, possibly epidosite or greenstone
Metamorphic
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
mineral
Garnet (Almandine)
Almandine Garnet (Fe3Al2(SiO4)3)
gemstone