Crystal Quartz Facts

    Crystal Quartz Facts

    Crystal Quartz Facts

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    Crystal Quartz  Properties

    Chemical CompositionIt is Silicon Dioxide the chemical formula is SiO2.
    ColoursColourless, White, Gray, Pink, Purple, Brown and Black.
    StreakWhite
    VarietiesAmethyst, Citrine, Rock crystal, Smoky quartz, Rose quartz, Chalcedony, Agate, Chrysoprase, Sardonyx, Onyx, Carnelian, Flint, Jasper and Bloodstone.
    Specific Gravity2.65
    Refractive Index1.54-1.55
    LusterGlassy to vitreous
    Hardness7 Mohs.
    Solid StateTransparent to translucent
    PleochroismNone
    FracturesConchoidal.
    Bi-refringence0.009
    Crystal SystemTrigonal Crystal System.
    CleavageNone
    EnhancementNot enhanced
    SourceWorld side occurrence. Brazil, USA, UK, Scotland, Russia, Mexico, Germany, Montana, Switzerland and Madagascar.
    PrecautionsOnly general gemstone precautions are required.
    admin March 9, 2016 Crystal Quartz