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  1. Unheated 4.12 Ct. Good Gemstone Oval Cabochon Natural Multi Color Opal

    Price:  $83.05

    Product ID: 818708391
    Product Name: Opal
    Price : $83.05
    Weight: 4.12
    Jewelry Size: 13 x 9.8 x 6.8 Mm
    Shape: Oval Cabochon
    Color: Multi Color
    Clarity: Opaque
    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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