Magnetite (Lodestone)
Magnetite (Fe3O4)
mineral
Category
Metamorphic Or Igneous (Context Dependent)
Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.
Learn about Metamorphic Or Igneous (Context Dependent) in the encyclopedia
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Epidote
Calcium aluminum iron silicate hydroxide (Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Ruby (Raw Corundum)
Corundum (Al2O3) with Chromium traces
mineral
Nephrite Jade
Ca2(Mg,Fe)5Si8O22(OH)2 (Tremolite-Actinolite series)
metamorphic
Muscovite Mica
KAl2(AlSi3O10)(F,OH)2
mineral
Garnet
Group of silicate minerals (e.g., Almandine: Fe3Al2(SiO4)3)
gemstone
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
gemstone
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Greenschist (or Serpentinite with Manganese Dendrites)
Greenschist facies metamorphic rock
metamorphic
Migmatite
Migmatite (Mixed Rock)
metamorphic
Magnetite
Magnetite (Fe3O4)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Red Garnet (likely Almandine or Pyrope)
Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gneiss
Metamorphic Gneiss
metamorphic
Almandine Garnet
Almandine (Fe3Al2Si3O12)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
mineral
Blue Apatite
Calcium phosphate mineral, Ca5(PO4)3(F,Cl,OH)
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Sodalite
Sodalite Na8(Al6Si6O24)Cl2
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Mixed Rock Collection (Pebbles and Stones)
Various geological specimens
igneous, sedimentary, and metamorphic
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral