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  1. Certificate 20.87 Ct. Oval Cabochon Natural Green Chalcedony From Namibia

    Price:  $35.79

    Product ID: 815100113
    Product Name: Chalcedony
    Price : $35.79
    Weight: 20.87
    Jewelry Size: 18.9 x 16.4 x 10.8 Mm
    Shape: Oval Cabochon
    Color: Green
    Clarity: Opaque
    Luster: Good
    Origin: Namibia
    Treatment: Unheated
    Crystal Structure: Trigonal
    Hardness: 7
    Specific Gravity: 2.65 - 2.91
    Refractive Index: 1.544 - 1.553
    Chemical: SiO2, Silicon Dioxide
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