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  1. Unheated 3.23 Ct. Octagon Shape Natural Party Color Tourmaline From Nigeria

    Price:  $51.90

    Product ID: 807229839
    Product Name: Tourmaline
    Price : $51.90
    Weight: 3.23
    Jewelry Size: 12.4 x 5.8 x 4.2 Mm
    Shape: Octagon
    Color: Party Color
    Clarity: SI1
    Luster: Good
    Origin: Nigeria
    Treatment: Unheated
    Crystal Structure: Trigonal
    Hardness: 7 - 7.5
    Specific Gravity: 3.0+
    Refractive Index: 1.62 - 1.68
    Chemical: Na(Li,Al)3Al6(B03)3 Si6O18(OH)4
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