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  1. Certified Violetish Blue Tanzanite 1.36 Ct Oval Shape 7.39 x 6.70 Mm Natural Gem

    Price:  $145.68

    Product ID: 807004418
    Product Name: Tanzanite
    Price : $145.68
    Weight: 1.36
    Jewelry Size: 7.39 x 6.70 x 3.75 Mm
    Shape: Oval
    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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