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  1. 0.78 Ct. Oval Natural Gem Yellowish Green Tourmaline Unheated

    Price:  $33.36

    Product ID: 807246290
    Product Name: Tourmaline
    Price : $33.36
    Weight: 0.78
    Jewelry Size: 5.8 x 5.3 x 3.8 Mm
    Shape: Oval
    Color: Yellowish Green
    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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