2.78ct Octagon Cut Emerald 9x7.2mm Gemax Gemological Kit Pro-I Knurled metal handle

Knurled metal handle

All models are built from 1

Image CMOS sensor

Black Plating Solution

230 Volt/3

2.78ct Octagon Cut Emerald 9x7.2mm Gemax Gemological Kit Pro-I Knurled metal handleEmeralds lustre is vitreous, it rates 7. 5 8 on the Mohs scale but because of their many inclusions they are not ideal for everyday jewellery, unless they are set into pendants or earrings with secure settings that protect the stones. Columbia is known for producing the highest volume of emeralds and most importantly the finest ones. Other significant sources are: Zambia, Brazil, Zimbabwe, Afghanistan, India, Madagascar, Pakistan and Russia; Stone