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  1. Purplish Red Tourmaline 4.81 Ct. VVS Round Shape 9.5 Mm. Natural Gem Unheated

    Price:  $804.69

    Product ID: 807244305
    Product Name: Tourmaline
    Price : $804.69
    Weight: 4.81
    Jewelry Size: 9.5 x 9.5 x 7.7 Mm
    Shape: Round
    Color: Purplish Red
    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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