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 Technology Sapphire Technology Sapphire Technology () is a Hong Kong-based technology company, founded in 2001, which produces graphics cards for personal computers and workstations, motherboards, TV tuner cards, digital audio players and LCDTVs Sapphire's products are based on AMD graphics processing units, and both AMD (ATI) and Intel motherboard chipset technology. The company is the largest supplier of AMD-based video cards in the world. Sapphire was the first company to release a video card with a high definition multimedia interface (HDMI) connector. Sapphire was the first company to release a video card having clock speed of 1000 MHz (1 GHz) with