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  1. 6.14 Ct. Oval Cabochon Natural Black Spinel Gemstone Unheated Thailand

    Price:  $6.06

    Product ID: 806609432
    Product Name: Spinel
    Price : $6.06
    Weight: 6.14
    Jewelry Size: 11.8 x 9.8 x 5 Mm
    Shape: Oval Cabochon
    Color: Black
    Clarity: Opaque
    Luster: Good
    Origin: Thailand
    Treatment: Unheated
    Crystal Structure: Isometric
    Hardness: 7.5 - 8.0
    Specific Gravity: 3.6 - 4.0
    Refractive Index: 1.71 - 1.76
    Chemical: MgAl2O4 , Magnesium Aluminum Oxide
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