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  1. 0.65 Ct. Octagon Shape Natural Bi Color Tourmaline Gem

    Price:  $10.44

    Product ID: 807233229
    Product Name: Tourmaline
    Price : $10.44
    Weight: 0.65
    Jewelry Size: 6.4 x 3.8 x 2.7 Mm
    Shape: Octagon
    Color: Bi Color
    Clarity: VVS
    Luster: Good
    Origin: Mozambique
    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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