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  1. 0.69 Ct. Beautiful Octagon Shape Natural Violet Blue Iolite Unheated

    Price:  $7.21

    Product ID: 803804484
    Product Name: Iolite
    Price : $7.21
    Weight: 0.69
    Jewelry Size: 6.3 x 4.9 x 3.5 Mm
    Shape: Octagon
    Color: Violet Blue
    Clarity: VSI
    Luster: Good
    Origin: Madagascar
    Treatment: Unheated
    Crystal Structure: Orthorhombic
    Hardness: 7 - 7.5
    Specific Gravity: 2.3
    Refractive Index: 1.52 - 1.57
    Chemical: Mg2Al4Si5O18, Magnesium Aluminum Silicat
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