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  1. Unheated 4.74 Ct. Round Natural Multi Color Opal Sudan

    Price:  $114.67

    Product ID: 818711508
    Product Name: Opal
    Price : $114.67
    Weight: 4.74
    Jewelry Size: 12.1 x 12.1 x 7.4 Mm
    Shape: Round
    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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