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  1. 0.48 Ct. Charming Octagon Natural Gem Green Tourmaline Unheated

    Price:  $6.21

    Product ID: 807247787
    Product Name: Tourmaline
    Price : $6.21
    Weight: 0.48
    Jewelry Size: 6.6 x 3.4 x 2.3 Mm
    Shape: Octagon
    Color: Green
    Clarity: VVS
    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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