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  1. 8.21 Ct. Oval Cab Natural Gem Multi Color Opal Sudan

    Price:  $66.20

    Product ID: 818709381
    Product Name: Opal
    Price : $66.20
    Weight: 8.21
    Jewelry Size: 15 x 12.9 x 8.9 Mm
    Shape: Oval Cabochon
    Color: Multi Color
    Clarity: Opaque
    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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