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Cat's Eye Diaspore

Cat's eye diaspore, sometimes marketed under the name Zultanite, is a color change gem from Turkey recently introduced to the international market. Diaspore is a hydrated aluminum oxide colored by manganese. It was first faceted as a gemstone in the 1980s, but has never been mined commercially until recently. With reasonably good hardness (6.5 to 7 on the Mohs scale) and good brilliance, diaspore has been attracting considerable attention in the gem world.

Cat's eye diaspore gems are fairly rare. The chatoyancy or cat's eye effect is caused by the alignment of rutile needles.

Certified Customer Reviews
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Quality and prices are great. Pretty speedy delivery. I had to call customer service on a past purchase and the customer service was excellent. I have been very satisfied with my purchases.
Posted By Gem girl in June, 2021
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Easy to navigate website, excellent photos of gemstones, good information about the different gemstones
Posted By Max in July, 2021
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Overall Rating -> 9 star ratings
I purchased a stone as a gift for my wife. I'm waiting to see how soon I get it and how well it matches the description on the web site. Future orders may follow based on the overall experience of this one.
Posted By Mike in February, 2021
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Good selection
Posted By Joe bob in February, 2021
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The gems look great. I'm looking forward to seeing how well the pictures represent the actual stones.
Posted By Marty in January, 2021
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I only wish the clear gems could be replicated in cost and size in colors.
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my experience was so good, thank for everything, i hope soon buy more gemstones
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The stones i received were the exact ones in the pictures and they arrived much sooner than I expected!
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low prices for shiny stuff, sign me up. website needs an update
Posted By Josh in November, 2020
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Purchased from you before
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