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16.6.1.4: Carnelian

  • Page ID
    4108
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    Carnelian
    Chemical composition Silicon dioxide SiO2
    Crystal system Trigonal
    Habit Aggregate
    Hardness 6.5 - 7
    Refractive index ± 1.54
    Specific gravity 2.55 - 2.70
    Lustre Vitreous

    Figure \(\PageIndex{1}\): Carnelian cabochon


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