Searching for Loose Gemstones?
New and used Tanzanite in the UK at the best prices
To find out more about Loose Gemstones, click on the 'view arrow' next to each item below. A new window will open and you'll be able to get yourself a real bargain.Tanzanite is the blue/purple variety of the mineral zoisite (Ca2(Al. OH)Al2(SiO4)3) discovered in the Meralani Hills of northern Tanzania in 1967, near the city of Arusha. It is a popular and valuable gemstone when cut, although its durability is somewhat lacking; its tendency to break precludes appropriate use as a ring stone. Tanzanite is noted for its remarkably strong trichroism, appearing alternately sapphire blue, violet, and sage-green depending on crystal orientation. However, most tanzanite is subjected to artificial heat treatment to improve its colour: this significantly subdues its trichroism. Courtesy of Wikipedia
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| Description | Price | Ends | ||
| TANZANITE 11.5X9 CUSHION TOP DELUXE GORGEOUS COLLECTORS | £2,629.65 | 11 October @ 14:39:29 |
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| Fine, Nice Blue, Tanzanite Gem Facet Rough! | £8.43 | 11 October @ 17:46:29 |
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| 8.93 ct Blue Gem Natural Tanzanite $29022.5 1.99 NR | £228.30 | 12 October @ 00:49:30 |
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| 3.65ct~AAA+~MIND BOGGLING~D' BLOCK NATURAL TANZANITE!!! | £31.73 | 12 October @ 07:00:30 |
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| WOW! 2.00CT GORGEOUS NATURAL PURPLE/BLUE TANZANITE GEM | £109.99 | 12 October @ 17:30:30 |
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| Fine, Nice Blue, Tanzanite Gem Facet Rough! | £8.43 | 12 October @ 20:01:30 |
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| TANZANITE STORY-DVD- JEWELRY TV ADVENTURE SERIES-NEW | £2.25 | 12 October @ 20:42:30 |
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| CERTIFIED 1.39CTS NATURAL COLOUR CHANGE TANZANITE GEM | £69.99 | 12 October @ 20:45:30 |
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