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  1. 1.31 Ct. Natural Violetish Blue Tanzanite Gemstone Trilliant Shape

    Price:  $70.20

    Product ID: 807009460
    Product Name: Tanzanite
    Price : $70.20
    Weight: 1.31
    Jewelry Size: 7.6 x 7.5 x 4 Mm
    Shape: Trilliant
    Color: Violetish Blue
    Clarity: VSI
    Luster: 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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