0.79ct Oval Faceted Sapphire 5.5x4.9mm Magnetic Tumbler 100g

0.79ct Oval Faceted Sapphire 5.5x4.9mm Magnetic Tumbler 100gSapphire 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:

100mm / 4"

Glare eliminating finish reduces eye strain

Bead Opener Awl

Chronograph Pusher Tube Fitting & Removing Tool

Adapter mounts and fits onto standard tapered spindles for bench motors

You can navigate the menus on the large colour display with four control buttons on the new microphone

Pause & shift function

Made in Indian

3019 Swiss Made Plastic movement holder for hand setting and chronograph function checking

Bergeon 30523

Withstand Voltage: 50V

colour-coded