Fluorite with Rhodochrosite
Fluorite (CaF2) and Rhodochrosite (MnCO3)
Category
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
Fluorite with Rhodochrosite
Fluorite (CaF2) and Rhodochrosite (MnCO3)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Rough Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Yellow Sapphire or Citrine
Al2O3 (Corundum) or SiO2 (Quartz)
Magnetite
Magnetite (Fe3O4)
Citrine Quartz
Crystalline Silicon Dioxide (SiO2) with Ferric Iron impurities
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Calcite
Calcite (CaCO3)
Labradorite (a variety of Feldspar)
Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)
Assorted Decorative Tumbled Stones (Quartz, Sodalite, Aventurine, Calcite)
Mixed Silicates and Carbonates (SiO2, Na8(Al6Si6O24)Cl2, CaCO3)
Sodalite
Na8(Al6Si6O24)Cl2
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Citrine
Crystalline Quartz (SiO2) with iron impurities
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Citrine
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
Garnet (Almandine/Pyrope series)
Silicate mineral (Almandine: Fe3Al2Si3O12; Pyrope: Mg3Al2Si3O12)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chrysocolla
Hydrated copper phyllosilicate, Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)
Green Aventurine
Aventurine (a variety of Quartz, SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Magnetite
Iron(II,III) oxide (Fe3O4)
Zoisite with Ruby (Anyolite)
Zoisite – Ca2Al3(SiO4)3(OH) with inclusions of Ruby (Al2O3:Cr)
Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
Citrine or Yellow Quartz
Silicon Dioxide (SiO2) with iron impurities
Epidote
Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)
Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
SiO2 (Silicon Dioxide)
Red Garnet (likely Almandine or Pyrope)
Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)
Chrome Diopside
Magnesium Calcium Silicate (MgCaSi2O6) containing Chromium impurities
Milky Quartz
Silicon Dioxide (SiO2)
Muscovite Mica
Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Milky Quartz
Quartz (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)
Citrine Quartz
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Sunstone
Aventurine Feldspar (Plagioclase Feldspar with inclusions)
Corundum
Corundum (Aluminium oxide, Al2O3)
White Sapphire
Corundum (Al2O3)
Chalcopyrite
Chalcopyrite (CuFeS2)