Quartz with Iron Oxide Inclusions
Silicon Dioxide (SiO2)
mineral
Category
Igneous, Sedimentary, And Metamorphic
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Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Beryl (likely Aquamarine)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Citrine
Silicon Dioxide (SiO2) with iron impurities
gemstone
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Citrine or Yellow Quartz
Quartz (SiO2) with iron impurities
mineral
Blue Zircon
Zircon (Zirconium Silicate), ZrSiO4
gemstone
Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Mixed Mineral Collection (with Titanium Aura Quartz)
Silicon Dioxide (SiO2) with metallic coatings and various silicates
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
gemstone
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Hypersthene
Enstatite (Hypersthene variety), (Mg,Fe)SiO3
mineral
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(F,OH)2)
mineral
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Sodalite
Sodalite Na8(Al6Si6O24)Cl2
mineral
Smoky Quartz
Silicon Dioxide (SiO₂)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Corundum (Sapphire and Ruby)
Aluminum Oxide (Al2O3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Labradorite (Dark or Black variety)
Labradorite (member of Plagioclase Feldspar group), (Na,Ca)(Si,Al)4O8
mineral
Peach Moonstone (Orange/Peach Feldspar)
Potassium aluminum silicate (KAlSi3O8)
mineral
Raw Corundum (Sapphire/Ruby variant)
Aluminum oxide (Al2O3)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Pink and Green Tourmaline (Tumbled)
Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)
mineral
Tourmaline (Multi-colored)
Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4
mineral
Moonstone (Feldspar)
Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)
mineral
Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
mineral
Black Sand (Magnetite Sand)
Magnetite (Fe3O4)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Chalcopyrite in Matrix
Chalcopyrite (CuFeS2)
mineral