Sapphire, blue in various hues, colorless, pink, orange, yellow, green, purple, black is in the Corundum group of minerals. Coloring pigment in blue sapphire is iron and titanium, the most desired color is cornflower blue. The main sapphire bearing rocks are marble,basalt, or pegmatite. It is mined mainly in alluvial deposits. Today the important sapphire deposits are in Australia, Burma, Sri Lanka and Thailand. Sapphire is the birthstone for September and astrological sign Taurus. Sapphire is 9 in hardness on the Mohs scale, second only to Diamond. Sapphire is said to be a high energy stone bringing spiritual insight, peace and happiness.