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  1. 0.78 Ct. Good Color Octagon Natural Gem Pink Tourmaline Unheated

    Price:  $13.17

    Product ID: 807247367
    Product Name: Tourmaline
    Price: $13.17
    Weight: 0.78 CT.
    Size: 6.6 x 4 x 3 Mm.
    Shape: Octagon
    Color: Pink
    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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