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 | ||
| 3.52CT.RARE! HEART SHAPE TOP VIOLETISH BLUE TANZANITE | £0.99 | 06 September @ 14:11:13 |
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| 7.177Ct~AAA+ ASTONISHING TOP FIRE NATURAL TANZANITE~NR | £0.99 | 06 September @ 14:14:13 |
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| RARE 6x3mm MARQUISE-FACET NATURAL TANZANITE GEM £1 NR! | £5.50 | 06 September @ 21:00:13 |
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| 1.21ct Fine AA Tanzanite $1452 Value $.99 | £8.77 | 07 September @ 03:02:13 |
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| 0.98ct. 6.3mm Cushion VVS1 Blue Violet Tanzanite NR | £1.27 | 07 September @ 05:00:13 |
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| 4.82ct Tanzanite D-BLOCK Emerald cut 4A Color | £6.50 | 07 September @ 13:28:13 |
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| FLAWLESS VIOLET BLUE GENUINE TANZANITE STONE | £0.99 | 07 September @ 20:09:14 |
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| OVAL FLAWLESS VIOLET BLUE GENUINE TANZANITE STONE | £0.99 | 07 September @ 20:13:14 |
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| AMBER CROSS SILVER 925 JEWELLERY FREE GIFT BOX | £3.99 | 07 September @ 20:19:14 |
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| .15CT OVAL TANZANITE PRETTY VS STONE OF QUALITY | £2.99 | 07 September @ 21:40:14 |
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