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$900.00 USD
価格
閉まっている
19/09/2024 04:57 am
3528
2

2.55 carats, Natural Tsavorite Garnet.

SKU
寸法(mm)
9.440 x 8.010 x 4.700mm
重さ (CT)
2.550
Clarity
VS
Treatment
No Treatment

In 1967 a British geologist by the name of Campbell R. Bridges was looking for gemstones in the mountains in the north-east of Tanzania. Suddenly he came across some strange, potato-like nodules of rock. It was like a fairy-tale: inside these strange objects he found some beautiful green grains and crystal fragments. A gemological examination revealed that what he had discovered was green grossularite, a mineral belonging to the colorful gemstone group of the garnets, and one which had never been found in this colour until then. It was then that he was able to have the find registered officially.

It was of an extraordinarily beautiful colour and good transparency. The find made the specialists sit up and take notice; Tiffany & Co. in New York also soon showed an interest in the newly discovered green jewel. However, in spite of all efforts, it was not, at the time, possible to further mine these stones in Tanzania, due to nationalization. But Campbell Bridges was not one to give up easily. As a geologist, he knew that earth strata bearing gemstones were not necessarily limited to one particular area, indeed that they could extend over much greater areas - and in his opinion the stratum he had found was just such a one. For the rock belt in which most of East Africa's gemstone mines lie is very ancient.

It began to form many millions of years ago, while the continents were still very much on the move. At that time, the area concerned had actually been under the sea. The regimental deposits between the continents were greatly compressed and folded as a result of the movement of the massifs. Through tremendous pressure and at high temperatures, the rocks which had been present originally were transformed.

New, exciting, beautiful gemstones came into being - among them, tsavorite. Having said that, the tremendous forces of Nature damaged most of the crystals so badly at the time of their formation that today it is usually only grains or fragments which are found.

Campbell R. Bridges persevered. He surmised that the seam bearing the gemstones might possibly continue into Kenya finally putting him on the right track. In 1970, he discovered the brilliant green gemstone for the second time, in Kenya. There, he was able to have his mining claims registered officially and begin with the exploitation of the deposit. It was an adventurous business.

To protect himself from wild animals, Bridges began by living in a tree-house. In order not to have any of the gemstones stolen, he set a python to watch over them, making use of the fact that most people are afraid of snakes. It was a wonderful find. Unfortunately, the gemstone had been known only to specialists up to that point in time, but that changed quickly in 1974, when Tiffany & Co. began a broad promotion campaign which soon made Tsavorite well known in the USA.

Further promotional campaigns followed in other countries, and soon tsavorite was also known at the international level.

 


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世界のその他の地域
:数量以上のアイテムを含む注文では、:プロバイダーは $45.00 に割引されます

crysta1gems
crysta1gems
Certified Gemologist and Professional Lapidarist , Deals in Precious and Semi-Precious Gemstones and we had Mine Sources and our Prices is reasonable .
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  • gatorbearca
    gatorbearca
    ポジティブ

    Gemstone as described. Recommend seller

  • js20031
    js20031
    ポジティブ

    AAAA+ Good service

  • js20031
    js20031
    ポジティブ

    AAAA+ Good service

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発送詳細

配送:
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発送元:
Thailand

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概要

リストタイプ : Standard
製品番号 : 1510124
始まります : 17th September 2024 05:19 am PDT
* すべての価格は:通貨で表示されます