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  1. 1.51 Ct. 5 Pcs. Round 4 mm. Natural Gems London Blue Topaz Brazil

    Price:  $9.81

    Product ID: 807166870
    Product Name: Blue Topaz
    Price : $9.81
    Weight: 1.51
    Jewelry Size: 4 x 4 x 2.6 Mm
    Shape: Round
    Color: Blue
    Clarity: VVS
    Luster: Good
    Origin: Brazil
    Treatment: Treated
    Crystal Structure: Orthorhombic
    Hardness: 8
    Specific Gravity: 3.49 - 3.57
    Refractive Index: 1.606 - 1.629
    Chemical: Al2SiO4(F OH)2
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