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Chrysoberyl (variety: Cat's Eye) = With its exceptional size, honey color, and sharp band of light, the 58.19 carat Maharani Cat's Eye from Sri Lanka is one of the finest gems of its kind. The phenomenon of chatoyancy can be displayed by many gemstones, but the most popular and highly prized is that of the mineral chrysoberyl. In fact, the term "Cat's Eye" is synonymous with this stone, owing to the resemblance of the phenomenon with the slits of cat's pupils. The "eye" that the stone displays when it is cut en cabochon is caused by the reflection of light off numerous parallel inclusions of fine, needle-like crystals, commonly of the mineral rutile. = Weight: 58.19 carats = Exchange, 1961

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