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  1. 0.62 Ct. Beauteous Oval Natural Gem Greenish Yellow Tourmaline Unheated

    Price:  $16.80

    Product ID: 807249376
    Product Name: Tourmaline
    Price : $16.80
    Weight: 0.62
    Jewelry Size: 5.6 x 4.9 x 3.4 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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