A form of Riebeckite.
A quartz replacement of crocidolite (blue asbestos) or gold asbestos. Different from cat's eye with regard to configurations of the fibers (twisted or crumpled instead of straight). The chatoyancy is due to reflection of light by the fibrous structure. Color range includes red, brown, gold, cream, black, and blue. Thought to synthesize the energies of the Sun and Earth. Encourages practicality and discretion of mind, and optimism. Produces insight in matters of mental dilemma. Enhances appreciation for the pure and beautiful. Aids in courage and perception regarding personal needs. Has been used in the treatment of the eyes and throat, and spinal column alignment