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  1. 1.55 Ct. Natural Violetish Blue Tanzanite Gemstone Oval Cutting From Tanzania

    Price:  $199.26

    Product ID: 807008966
    Product Name: Tanzanite
    Price : $199.26
    Weight: 1.55
    Jewelry Size: 8 x 6 x 4.6 Mm
    Shape: Oval
    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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