Diaspore is the past was significative, of the sultans of turkey. Diaspore gemstone occurred with perfect cleavage and luster and the base colors are greyish white, yellowish hues, brownish hues and honey greens. The clarity ranges from transparent to translucent. The name was derived from Greek word Diaspora meaning dispersion. Diaspore is a collector's and jewelers choice for it has excellent color changing property. Under incandescent light the color changes to pinkish orange. Diaspore was said to be first discovered in Ural Mountains, Russia in 1801. However Turkey seems to the well known and the abundant supplier of Diaspore. The Turkish name which starts with a "Z" and ends with "nite" was named by Murat Akgun in honor of 36 sultans for finding the empire Ottoman in Anatolia in the late 13th century. However I am not allowed to use the full name due to very strict copyright issues and we abide by that. Diaspore is a women's favorite stone for the subtle color play and it is similar to Alexandrite due its ability to show different colors under different lighting conditions. The gem is mined in one location in the world: Anatolia, Turkey, and it is indeed a true Turkish delight although supply is said to be very limited. Diaspore in a major constituent of the Aluminium ore bauxite, with the chemical composition AlO(OH). Diaspores are available is all shapes and sizes and even cabochon are in stock. Oilpearl has a wide range of loose gemstones and also deals with custom jewelry for more than two decades. Please feel free to email us if you have any orders and we most warmly welcome you. We serve certificates from Gubelin, GIA- Gemological Institute of America, AIGS- Asian Institute of Gemological Sciences, Tokyo gem lab, GIT, GRS etc. Diaspore has a Hardness ranging from 6.5 to 7.0 on the Moh's Scale. The specific gravity is 3.2 - 3.5 and the refractive Index is 1.68- 1.75. It is believed that Diaspore improves psychic powers, ambition, intellect, and desire. Another interesting property of Diaspore is the cat’s eye effect caused due to chatoyancy. Chatoyancy is an optical reflecting effect caused by fibrous structure in the mineral.