10 Rare Cat's Eye Chrysoberyl Quartz 8mm Beads 004512TEN MAGNIFICENT MULTI HUE Quartz CAT'S EYE BEADS! This is true Quartz cat's eye not to be confused with quartz cat's eye or the inexpensive synthetic fiberglass version often referred to as cat? s eye. Cat's eye Quartz, a close cousin of color changing alexandrite, is a variety of Quartz that has a distinct band of light across its face, which sweeps from side to side. These beads are a incredible array of intense and mysterious colors, ranging from