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.
Sapphire Group apparels unit has a capacity of knitting 500 tons of greige fabric and 300 tons of dyed and finished fabric and producing 430,000 garments per month. The Group has also diversified into the power generation and dairy sectors. Sapphire Electric Company is a 234 Megawatt combined cycle plant in Muridke. Sapphire Dairies Private Limited operates a large mechanized dairy farm based on 100 acres near Manga, Lahore, with a herd size of 3000 and a target of 10,000 milking cows (300,000 liters per day) by 2020. Sapphire Group Sapphire Group is a Pakistani industrial conglomerate largely focused on the textile