Phenomenal Gems: Cat's Eye and Star Gemstones

Learn the difference between chatoyancy and asterism, why cat's eye and star gemstones display dazzling light effects, and how to determine the value of these gemstones.

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Phenomenal Gems: Cat's Eye and Star Gemstones

International Gem Society - Well-cut star and cat's eye gems are a delight to the eye and great fun to cut. These phenomenal stones display asterism and chatoyancy, respectively. Both effects are

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Gemstone Phenomena - OR DIAMOND

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Phenomenal Gems: Cat's Eye and Star Gemstones

A gift from nature: The 10 optical phenomena of gemmology - Jewellery Business

Asterism and the Color of Rose Quartz.

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CHRYSOBERYL CATS EYE HONEY BROWN NATURAL SRI LANKA LOOSE GEM