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  1. 1.66 Ct. Natural Gem Violetish Blue Tanzanite From Tanzania

    Price:  $195.64

    Product ID: 807006389
    Product Name: Tanzanite
    Price : $195.64
    Weight: 1.66
    Jewelry Size: 6.9 x 6.9 x 4.9 Mm
    Shape: Round
    Color: Violetish Blue
    Clarity: VSI
    Luster: Very Good
    Origin: Tanzania
    Treatment: Heated
    Crystal Structure: Orthorhombic
    Hardness: 6 - 7
    Specific Gravity: 3.2 - 3.4
    Refractive Index: 1.69 - 1.70
    Chemical: Ca2Al3(SiO4)3(OH), Calcium Aluminum
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