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  1. Unheated 2.70 Ct. Oval Natural Yellow Color Opal Sudan

    Price:  $43.54

    Product ID: 818711585
    Product Name: Opal
    Price : $43.54
    Weight: 2.70
    Jewelry Size: 11.7 x 8.7 x 6 Mm
    Shape: Oval
    Color: Yellow
    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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