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  1. Unheated 1.63 Ct. Oval Natural Multi Color Opal Sudan

    Price:  $39.40

    Product ID: 818708135
    Product Name: Opal
    Price : $39.40
    Weight: 1.63
    Jewelry Size: 10.5 x 7.6 x 4.7 Mm
    Shape: Oval
    Color: Multi Color
    Clarity: Semi - Transparent
    Luster: Good
    Origin: Ethiopia
    Treatment: Unheated
    Crystal Structure: Amorphous
    Hardness: 5.5 - 6.5
    Specific Gravity: 2.15
    Refractive Index: 1.42 - 1.43
    Chemical: SiO2·nH2O
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