1.72ct Octagon Cut Sapphire 7x5.6mm wolf wax

1.72ct Octagon Cut Sapphire 7x5.6mm wolf waxSapphire is a variety of the mineral corundum, an aluminium oxide. It is typically blue but fancy coloured sapphires also occur in orange, yellow, green, brown, purple, pink, black and colourless. Red and reddish pink coloured corundum is referred to as ruby. 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

Hole Ø3mm

Takes seconds to use

Simple to use and ideal for anyone concerned about working in a clean and safe environment

Photo Format: BMP/JPG

easy to carry with

Clasp fitting width 24mm

as well as a Zeroing function for resetting the thickness tester

5 threaded dies

Suitable for use in the laboratory

Head Patterns Included

10 to 28mm Taper

and print function