South Africa Sapphire Diamond Marriage Fashion Necklace Jewellery

 South Africa Sapphire Diamond Marriage Fashion Necklace Jewellery   

By Aamir Mannan

Sapphire windows are used in high pressure chambers for spectroscopy, crystals in various watches, and windows in grocery store barcode scanners since the material's exceptional hardness and toughness makes it very resistant to scratching.

It is used for end windows on some high-powered laser tubes as its wide-band transparency and thermal conductivity allow it to handle very high power densities in the infra-red or UV spectrum without degrading due to heating