Hardness: 8.50
Refractive Index: 1.74-1.75
Specific Gravity: 3.71
Birthstone: November
Astral Stone: Pisces, Capricorn
Anniversary Stone: 39th
Origination: Brazil, Sri Lanka & China
Care & Cleaning: If you are planning to get a cat's-eye ring sized, be selective as to who you pick to do the work, for exposure to intense heat (such as a jewelers' torch) can alter or eliminate its' the color change property. Clean with a soft polishing cloth, plain water rinse, or a very mild solution of soap & water. Do not soak.
Fiction, Facts & Folklore:
Cat�s eye chrysoberyl is considered by most gem experts to be the only �true� cat�s eye in the world. All others are usually associated with their mineral group.
Cat�s eye is the most rare and costly member of the chrysoberyl mineral group, even exceeding the natural alexandrite in
cost & rarity.
Not only does this amazing gem show a chatoyancy, it also displays the color change properties of the natural alexandrite.
A cat�s eye chrysoberyl rough weighing an astounding 317 carats and a finished gem of 72 carats were displayed at a gem & mineral show in 1997. Both pieces reportedly originated in Minas Gerais, Brazil.
Despite these rare finds, this particular form of chrysoberyl is among the rarest gems on earth. The future of the cat�s eye chrysoberyl remains uncertain.
Cat�s-eye chrysoberyl is the international gemstone of Sri Lanka (Ceylon).
Chrysoberyl cat�s-eye is linked to the southern lunar node Ketu.
A dream of cat�s-eye chrysoberyl foretold the coming of a treacherous moment.