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  1. 0.75 Ct. Oval Shape Natural Violet Blue Tanzanite Gem

    Price:  $54.31

    Product ID: 807004787
    Product Name: Tanzanite
    Price : $54.31
    Weight: 0.75
    Jewelry Size: 6.9 x 5 x 3 Mm
    Shape: Oval
    Color: Violet Blue
    Clarity: SI
    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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