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  1. Unheated 7.08 Ct. Oval Cabochon Gem Natural Multi Color Opal

    Price:  $99.50

    Product ID: 818707482
    Product Name: Opal
    Price : $99.50
    Weight: 7.08
    Jewelry Size: 15.5 x 12.2 x 7.7 Mm
    Shape: Oval Cabochon
    Color: Multi-Color
    Clarity: Semi - Transparent
    Luster: Iridescent
    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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