2.78ct Octagon Cut Emerald 9x7.2mm Gemax Gemological Kit Pro-I Retractable thermoelectric probe tip for

Retractable thermoelectric probe tip for enhanced accuracy that ensures constant pressure between the probe and the gemstone

Consisting of a total of fifteen cut shaped grooves covering a range of ring shapes

Black Plating Solution

230 Volt/3

Bergeon 6719

2.78ct Octagon Cut Emerald 9x7.2mm Gemax Gemological Kit Pro-I Retractable thermoelectric probe tip forEmeralds 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