Cat's Eye Diaspore: Buy Cat's Eye Diaspore Gemstones

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.

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Gemstones A-Z

Buy Cat's Eye Diaspore Gems

0.8 carat Pear Shape Pyrope Garnet, loose Certified Pyrope Garnet from the United States, Natural Untreated Gem, 7 x 4.9 mm

0.43 carat Oval Ruby, loose Certified Ruby from Myanmar, Natural Gem, 5.1 x 4 mm

10.66 ct Baguette Tiger's Eye, 16.2 x 12.4 mm From Thailand

7.27 carat Blue Green Fluorite, Oval loose Fluorite from India, Natural Untreated Gem, 12.8 x 10.3 mm

0.07 ct Blue Diamond, 2.5 mm Diamond Cut From India

64.77 ct Oval Jasper, 45.8 x 27.8 mm From Indonesia

3.3 ct Round Checkerboard Smoky Quartz, 7.9 mm From Brazil

15.44 carat Square Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gems, 7 x 7 mm

13.89 ct Round Cut Color-Change Fluorite, 15 mm From Brazil

29.51 ct Oval Hematite, 22.5 x 16.9 mm From Brazil

0.86 carat Oval Opal, loose Certified Opal from Ethiopia, Natural Gems, 7.1 x 5 mm

10.27 ct Asscher Cut Rose Quartz, 13.6 x 13.3 mm From South Africa

0.98 ct Yellow Beryl, 7.2 x 7 mm Trillion Cut From Brazil

0.75 ct Octagon Cut Color-Change Diaspore, 7.8 x 3.7 mm From Turkey

2.32 ct Oval Sillimanite Cat's Eye, 7.1 x 5.1 mm From Madagascar

0.78 carat Orange Hessonite Garnet, Pear Shape loose Hessonite Garnet from Madagascar, Natural Untreated Gem, 6.8 x 4.9 mm

1.82 carat White Zircon, Oval loose Zircon from Cambodia, Natural Gems, 6.3 x 4.3 mm

1.16 ct Loose Purple Sapphire, 6.5 x 4.8 mm Cushion Cut From Tanzania

3.23 carat Yellow Citrine, Emerald Cut loose Citrine from Brazil, Natural Untreated Gem, 11.9 x 10 mm

12.28 ct Round Buff Top Smoky Quartz, 16.1 mm From Brazil

1.17 carat Orange Sunstone, Oval loose Sunstone from India, Natural Untreated Gem, 8 x 6 mm

3.4 carat White Topaz, Round loose Topaz from Brazil, Natural Untreated Gem, 9.1 mm

0.36 carat Round Cabochon Emerald, loose Certified Emerald from Colombia, Natural Gem, 4.2 mm

15.44 carat Carved Fish Amethyst, loose Certified Amethyst from Brazil, Natural Untreated Gem, 22.1 x 14.5 mm

28.84 ct Yellow Quartz, 23.9 x 17.3 mm Oval Cut From Brazil

12.31 ct Drilled Sphere Rutile Quartz, 12.1 mm From India

5 carat Pear Shape Opal, loose Certified Opal from Australia, Natural Untreated Gem, 15.1 x 10.8 mm

0.99 carat Oval Ruby, loose Certified Ruby from Myanmar, Natural Gem, 6.9 x 4.8 mm

2.57 carat Pink Tourmaline, Emerald Cut loose Tourmaline from Mozambique, Natural Untreated Gem, 9.1 x 6.2 mm

4.9 carat Blue Sapphire, Octagon / Scissor Cut loose Sapphire from Sri Lanka, Natural Gem, 11.7 x 7.1 mm

6.82 ct Round Larimar, 12.2 mm From the Dominican Republic

2.98 carat Pear Shape Mystic Quartz, loose Certified Mystic Quartz from Brazil, Natural Gem, 12.1 x 8.1 mm

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