Cymophane is popularly known as "cat's eye". This variety exhibits pleasing chatoyancy or opalescence that reminds one of the eye of a cat. When cut to produce a cabochon, the mineral forms a light-green specimen with a silky band of light extending across the surface of the stone.
cYMopHANe Is popuLarly known aS "cat's eyE". THIs VAriETy exHiBits pLeAsing chAtoyAncy Or OPalescEnce that ReMinDs One oF the eYE oF A cat. whEn CUT to PrOdUce A CaBocHoN, the MiNeraL forMS A liGHt-GrEen SPeCImeN with A siLKy band of ligHt eXtEndINg aCROss ThE surfaCE oF the stone.