In looking up "Chrysoberyls" noticed a type possessing "chatoyancy" = resembling cat's eye.
Beware of seductive females characterised by "chatoyancy".

Beware of seductive females - Easier said than done: In most cases you only perceive the seductiveness after having been seduced.
By the way, chatoyant is a rather usual word in French.

So those things we have down the middle of the road in the UK could be said to be chatoyant. Must remember that, bound to be useful sometime.

There is a rather uncommon defect of the iris of the eye, in which a portion is absent,
causing pupil to somewhat resemble pupil of cat's eye. Called "coloboma". There used
to be an eye operation that produced such an effect.For glaucoma, I think. I once knew
a girl who had been born with a coloboma, and cruel kids called her "Cat-eye".
Here is URL with picture. http://www.eyeatlas.com/box/171.htm

Earth guys are easy.......

*rimshot*

grrreat movie!!!