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  1. 4.37 Ct. Oval Clean Natural Multi Color Opal Sudan Gem

    Price:  $141.99

    Product ID: 818707578
    Product Name: Opal
    Price : $141.99
    Weight: 4.37
    Jewelry Size: 15 x 11.3 x 6 Mm
    Shape: Oval
    Color: Multi Color
    Clarity: IF
    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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