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Pietersite was first discovered by Sid Pieters in 1962 while prospecting farm land. He registered the find in the mineral records of Britain, which was published in 1964 naming the material Pietersite.
Pietersite is formed from a crocidolite type asbestos or variety of Riebeckite. The process begins with Hawk Eye, the name given to the blue variety of Tiger Eye. This opaque aggregate is formed when quartz replaces the blue/green mineral crocidolite creating iridescent planes or fractures with a silky luster. Tiger Eye is created when the iron from the decomposed crocidolite oxidizes changing it to a golden brown color. Pietersite is then formed by a process known as brecciation. This occurs when the fibrous structure of both Tiger Eye and Hawk Eye are broken via the earth's geologic process. The tiny fragments are later naturally cemented together by quartz creating a finished product with multiple hues and superb chatoyancy.