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  1. Unheated 3.55 Ct. Natural Multi Color Opal Sudan Gem

    Price:  $57.25

    Product ID: 818708495
    Product Name: Opal
    Price : $57.25
    Weight: 3.55
    Jewelry Size: 11.4 x 9.8 x 6.3 Mm
    Shape: Oval Cabochon
    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: SiO2ĚnH2O
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