2.92ct Octagon Cut Sapphire Certified Unheated 8.9x6.6mm Presentation Boxes

2.92ct Octagon Cut Sapphire Certified Unheated 8.9x6.6mm Presentation BoxesSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur. The variety in colours is due to trace amounts of elements such as iron, titanium, chromium, copper and magnesium. Mohs Scale of Hardness: 9 (out of 10). Sources: Mines that have yielded the finest sapphires in colour and clarity are located in Kashmir, Myanmar and Sri Lanka. Nowadays the main sources of sapphires are:

- New lithium core

5lb rolls (2

Great for Shaping and smoothing all metals

Iron pipe Φ25mm: ≤ 30mm

Function: hold mode

Stylish chrome and black dotted finish

The expert construction design attaches great importance to the opening of the case backs without damaging the case

1 * 1200W DC Converter Boost Power Supply Module

for small stones

2 Bases with adjustable heights

For external booster

Tube keys: Ø1