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  1. 13.74 Ct. Unheated Natural Violet AMETHYST ROUGH Gem

    Price:  $12.99

    Product ID: 818300228
    Product Name: Rough
    Price : $12.99
    Weight: 13.74
    Jewelry Size: 16.7 x 14.5 x 10.7 Mm
    Shape: Rough
    Color: Violet
    Clarity: Semi - Transparent
    Luster: Good
    Origin: Barzil
    Treatment: Unheated
    Crystal Structure:
    Hardness: 6.5 - 7.5
    Specific Gravity: 3.9 - 4.1
    Refractive Index: 1.76 - 1.78
    Chemical: Al2O3, Aluminum Oxide
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