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  1. Unheated 4.25 Ct. Oval Natural Multi Color Opal Sudan

    Price:  $34.27

    Product ID: 818711117
    Product Name: Opal
    Price : $34.27
    Weight: 4.25
    Jewelry Size: 12.4 x 9.9 x 8.3 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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