with multicolored Human Hair Extensions inclusions and cat's eye scapolite, which has parallel-aligned inclusions causing light to be reflected in the shape of the slit eye of a cat. Cat's eye scapolite has nice, sharp cat's Wigs eyes and is often a rich brown color.Sillimanite is made of the same polymorphic material as both andalusite and kyanite; aluminum silicate. Though these three Brazilian hair gemstones share.