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  1. 18.55 Ct. Oval Cabochon Natural Gem Green Prehnite Unheated

    Price:  $5.96

    Product ID: 818800746
    Product Name: Prehnite
    Price : $5.96
    Weight: 18.55
    Jewelry Size: 18.9 x 15.9 x 7.4 Mm
    Shape: Oval Cabochon
    Color: Green
    Clarity: Semi - Transparent
    Luster: Good
    Origin: Australia
    Treatment: Unheated
    Crystal Structure: Orthorhombic
    Hardness: 6-6.5
    Specific Gravity: 2.80-2.90
    Refractive Index: 1.61 - 1.67
    Chemical: Ca2Al(AlSi3O10)(OH)2
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