Tiger Iron Sphere (with stand)Tiger Eye is a finely fibrous, opaque variety of quartz. Technically it is a pseudomorph of quartz, and the surface iridescence and golden color results from inclusions of limonite Jasper is a form of Chalcedony, made up of 90% quartz and 10% morganite. It is composed of microscopically fine fibrous crystals, and it normally shows color banding, stripes, whirls, bull's eye and other random patterns due to impurities in the quartz. The different