4mm Dark Green Cat's Eye Quartz have a vitreous luster with a cat's eye phenomenon caused by tiny needles aligning within the structure of the stones. The beads have been faceted as symmetrical rondelles with each bead exhibiting consistent color and appearance. These Cat's Eye Quartz beads have olive green Chlorite inclusions within the Crystal Quartz bodies causing the green hued stone. This will be a unique addition to your gemstone collection.