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 GEM NATURAL LOOSE GEM MIXED SHAPE PARCEL LOT | £6.76 | 05 December @ 21:37:06 |
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| 0.55 ct Genuine Blue AAA Natural Tanzanite $1155 .99 NR | £5.07 | 05 December @ 23:46:06 |
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| TANZANITE 13X11MM CUSHION TOP COLLECTORS ITEM | £5,301.70 | 06 December @ 03:09:07 |
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| TANZANITE GEM NATURAL LOOSE GEM MIXED SHAPE PARCEL LOT | £6.76 | 06 December @ 04:51:07 |
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| BIG SIZE 1.50ct.100% NATURAL TANZANITE FOR CENTRE-STONE | £9.99 | 06 December @ 08:50:07 |
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| TANZANITE OVAL 0.46ct EYE CLEAN CERTIFICATED | £28.00 | 06 December @ 11:00:08 |
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| 1.86CT/39 PC.VVS/SI1 SPARKLING PURPLE BLUE TANZANITES!! | £4.99 | 06 December @ 11:43:08 |
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| Luscious, Fine, Nice Blue, Tanzanite Gem Facet Rough! | £10.11 | 06 December @ 16:23:09 |
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| TANZANITE15X13MM CUSHION TOP COLLECTORS FREE SHIP | £6,472.30 | 06 December @ 19:40:09 |
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| TANZANITE12X10MM CUSHION TOP COLLECTORS FREE SHIP | £2,862.75 | 06 December @ 19:40:09 |
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