Sapphire jewelry. They also may be created synthetically in laboratories for industrial or decorative purposes in large crystal boules. Because of the remarkable hardness of sapphires – 9 on the Mohs scale (the third hardest mineral, after diamond at 10 and moissanite at 9.5) – sapphires are also used in some non-ornamental applications, such as infrared optical components, high-durability windows, wristwatch crystals and movement bearings, and very thin electronic wafers, which are used as the insulating substrates of very special-purpose solid-state electronics (especially integrated circuits and GaN-based LEDs). Sapphire is the birthstone for September and the gem of the 45th anniversary.
Blue Sapphire Stakes Blue Sapphire Stakes The Blue Sapphire Stakes is a Melbourne Racing Club Group 3 Thoroughbred horse race held over 1200 metres at set weights for three-year-old horses at Caulfield Racecourse, Melbourne, Australia. Total prize money for the race is A$350,000. The current rendition of The Blue Sapphire Stakes was inaugurated in 2012 with prizemoney of A$$250,000. Originally, from 2005 the MRC scheduled a two year old race in May known as the Blue Saphhire Classic. However, the MRC decided to reformat their Melbourne Spring Racing Carnival in 2012 by adding a new three year old race for sprinters. Entries which