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Tanzanite is a distinguishable and stunningly pretty gemstone. As far as we recognise It occurs in only one emplacement in the world – an area at the foot of Mount Kilimanjaro in the East African state of Tanzania near a village called Arusha. The gemstone is in truth a form of rare, blue crystal known as Zoisite which has a hardness of approximately 7 on the Moh’s scale. Its distinguishable and striking colour is plainly breathtaking – bluish purple, violet blue to strong blue. Tanzanite is highly trichroic and exhibits varying amounts of blue and violet in incandescent light. The finest colour is normally a strong blue with hints of violet in daylight. The invention of Tanzanite remains something of a mystery. There are some versions as to it is invention but it is not known for sure who actually came all over the introductory crystal. According to legend it was the Masai herders who were the ones who in the first place encountered the stone, when a lightning strike set the surrounding grasslands of Merelani on fire. The heat of the bush fire was sufficient to transform the naturally occurring brown crystal into the magnificent violet blue gemstone the world has come to love. It ought to have been easy for New York Jeweller Tiffany’s to market this new gemstone when they launched it in New York shortly after it was came upon in 1967. Those seeing the new gemstone for the firstborn time gasped at it is sheer beauty and gemstone experts soon declared it the “Gemstone of the 20th Century”. Much of the natural stone mined displays a big proportionality of reddish brown material and so the cutter will commonly heighten the colour by heating the stone to regarding 600°C. In the course of heating a great deal of concentration is required because it is necessary to determine the precise moment the colour turns a violet blue. This heating is an accepted treatment in the trade altho it must be cited that stones treated in this manner must be free of all inclusions to prevent fracturing. Today the trade in Tanzanites is carried out by a number of little licensed traders who have built up contacts with gemstone firms in India, Germany, South Africa and the USA. Approximately ninety per cent of all Tanzanite traders are registered members of the International Coloured Stone Association and accordingly committed to high ethical standards. In this way the exclusive gemstone is propagated international by way of dependable and trusty channels to reputable gemstone cutters and then passed on to jewellers all over the world. Creating jewellery with Tanzanite is no easy task. The gemstone has a high cleavage in one direction and setting the stone may be a highly dangerous procedure because too much pressure on a poorly judged section of the stone could result in it shattering! Only the most experienced setters are ordinarily applied on high quality jewellery set with Tanzanite. There is no doubt that Tanzanite is a arousing and attention holding gemstone and it is ever increasing appeal will have to be attributed to the magnificent deep blue colour, with distinguishable violet shades, that no other gemstone has to offer. The stone symbolises not only striking beauty but an elegance and an eye for taste that sets the wearer detached from the rest. High quality Tanzanite jewellery promotes self-confidence and individuality for the owner and the extravagant colour appeals to women of all ages because – there is no doubt – it emphasises their own inner beauty and mystery too! |
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