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  1. 0.41 Ct. Delightful Octagon Natural Gem Pink Tourmaline Nigeria

    Price:  $7.68

    Product ID: 807247385
    Product Name: Tourmaline
    Price: $9.60
    Weight: 0.41 CT.
    Size: 7.6 x 3.7 x 1.4 Mm.
    Shape: Octagon
    Color: Pink
    Clarity: VSI
    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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