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  1. 0.79 Ct. Good Color Oval Natural Gem Greenish Yellow Tourmaline Nigeria

    Price:  $33.72

    Product ID: 807246325
    Product Name: Tourmaline
    Price : $33.72
    Weight: 0.79
    Jewelry Size: 6.3 x 5.5 x 3.3 Mm
    Shape: Oval
    Color: Greenish Yellow
    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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