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  1. 1.13 Ct. Cushion Natural Violetish Blue Tanzanite Gem

    Price:  $131.23

    Product ID: 807004173
    Product Name: Tanzanite
    Price : $131.23
    Weight: 1.13
    Jewelry Size: 5.9 x 5.8 x 4.4 Mm
    Shape: Cushion
    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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