Best Quality Lab Grown Nanocrystal Emerald Octagon Cut Gemstone 5-20mm,1pcs

Beautiful Emerald Cut Octagon Faceted Lab Created Nano Crystal Emerald 1pcs

Description:-
Gems Type : Emerald
Shape : Octagon
Colour : Green
Sizes Available: 5mm to 20mm
Cut : Step Cutting 
Material : Nano Crystal

Chemical composition : Be3Al2(SiO3)6
Crystal Structure : Hexagonal 
Purity : 99.99% 
Refractive Index :1.5 – 1.7
Density :2.7-3.2 g/cm3. 
Hardness Mohs :  6.5 – 7
Manufacturing Method : Nano Crystal Emerald 

About Nano Crystal:
Nano Crystals are a new type of created gemstone made especially for jewellery. The colour is homogeneous, meaning that if you bought 100 emerald green nano crystal stones, the colour would be exactly the same in every stone.
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