Diccionario

CATS-EYE

Webster's Dictionary 1828

CATS-EYE, noun Sun-stone, a subspecies of quartz, called in Latin oculus cati or onycopalus, from its white zones or rings like onyx, and its variable colors like opal. It is very hard and semitransparent, and from certain points exhibits a yellowish radiation, or chatoyant appearance, somewhat resembling a cats eye.