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  1. 3.49 Ct. Beautiful Oval Shape Gemstone Natural Black Spinel Unheated

    Price:  $6.49

    Product ID: 806609679
    Product Name: Spinel
    Price : $6.49
    Weight: 3.49
    Jewelry Size: 11.4 x 8.5 x 5 Mm
    Shape: Oval
    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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