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Ametrine
Ametrine
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Spodumene
Spodumene
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Feldspar
Feldspar
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Artistic Cabochons
Artistic Cabochons
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Agate
Agate
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Amethyst
Amethyst
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Ammolite
Ammolite
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Apatite
Apatite
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Aquamarine
Aquamarine
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Beryl
Beryl
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Cat's Eye Gemstones
Cat's Eye Gemstones
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Chalcedony
Chalcedony
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Chrysoberyl
Chrysoberyl
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Citrine
Citrine
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Danburite
Danburite
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Diopside
Diopside
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Emerald, the green variety of beryl
Emerald, the green variety of beryl
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Fluorite
Fluorite
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Garnet
Garnet
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Gemstone Collections
Gemstone Collections
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Kunzite
Kunzite
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Lapis Lazuli
Lapis Lazuli
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Moonstone
Moonstone
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Opal
Opal
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Peridot
Peridot
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Quartz
Quartz
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Ruby
Ruby
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Sapphire
Sapphire
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Scapolite
Scapolite
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Sphalerite
Sphalerite
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Spinel
Spinel
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Topaz
Topaz
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Tourmaline
Tourmaline
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Turquoise
Turquoise
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Other Colored Stones
Other Colored Stones
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Zircon
Zircon
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Our Top
Cat's Eye Gemstones
Highlight
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Cat's Eye Gemstones
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After rubies, sapphires, emeralds and diamonds ( the big four ), you begin to wonder what gem would be an interesting subject to pursue. While jade, opal or garnet comes into mind, phenomenal stone provide such a different feel and look. Phenomenal stones such as cat's eyes provide "eye stimulation" in that your eye balls actually follow the movement of your fingers as the "lines" on the gem moves with your every motion.
Cat's eye effect or "chatoyancy" comes from the French word "chat" or "cat" and "o'eil" or "eye". Put them together and you get "chat-o'eil" or "chatoyancy". The best chatoyant gems display an effect which duplicates the eyes of a cat. The "open" and "close" of the eye should be balanced and symmetric. The eye should be sharp and instense. The color of the eye should be distinct and not hidden by the body color.
Gemstones that display a cat's eye effect are ( but not limited to) tourmalines, chrysoberyl, scapolites, tiger eye quartz, zircons ( Dr E Gubelin has mentioned that the Sri Lankan brown cat's eye zircon you see in the market could be a result of heat treatment), iolites, garnet, opal, actinolites........In actuality, cat's eye phenomena may occur with any mineral which has parallel tubes or fibrous inclusions within the gem.
When cat's eye effect occur in stones which donot normally display chatoyancy, then the gem becomes doubly rare and more valuable. For example, a cat's eye ruby, cat's eye saphire, cat's eye garnet are gems not only rare but really a "one of a kind" collectors item.
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Cat's Eye Gemstones
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