AAA Rated Lab Created Nanocrystal Green Emerald Pear Shape 3x5mm to 20x25mm Flat Back Cabochon 1pcs This Emerald is the same chemical compound as natural, mined from the earth, Emerald! Description:- Gems Type : Emerald Shape : Pear Colour : Green Sizes Available: 3x5mm to 20x25mm Cut : No cut (Plain Polished) Material : Nano Crystal lab created Chemical composition : Al2O3 Crystal Structure : Hexagonal Purity : 99.99% Refractive Index : 1.717 Density : 3.98-4.1 g/cm3 Hardness Mohs : 9…
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