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Tiffany's original campaign advertised that tanzanite could now be found in two places: "in Tanzania and at Tiffany's". From 1967, an estimated two million carats of tanzanite were mined in Tanzania before the mines were nationalized by the Tanzanian government in 1971. Multicolored tanzanite crystal Untreated tanzanite gemstone
The mine produced many fine gems including the Williamson pink diamond, a pink 54.5 carats (10.90 g) rough diamond presented to Princess Elizabeth and Prince Philip on the occasion of their wedding in 1947. [3] Cut by Cartier to a 23.6 carats (4.72 g) gem, it became the centerpiece of the Williamson Diamond Cartier brooch made for the Queen in ...
Tanzania, [c] officially the United Republic of Tanzania, [d] is a country in East Africa within the African Great Lakes region. It is bordered by Uganda to the northwest; Kenya to the northeast; the Indian Ocean to the east; Mozambique and Malawi to the south; Zambia to the southwest; and Rwanda, Burundi, and the Democratic Republic of the Congo to the west.
The Williamson diamond mine is a large open pit mine currently about 90 meters (300 ft) deep. Diamond mining operations at the Williamson diamond mine are composed of four distinct activities: mining of the pit, re-treatment of tailings to recover missed diamonds, and gravel mining both on the property and adjacent to the property where gravel has been alluvially deposited.
Map of Tanzania Location of Tanzania Topographic map of Tanzania Köppen climate classification map of Tanzania. Tanzania comprises many lakes, national parks, and Africa's highest point, Mount Kilimanjaro (5,895 m or 19,341 ft). Northeast Tanzania is mountainous, while the central area is part of a large plateau covered in grasslands. The ...
On 26 April 1964, Tanganyika united with Zanzibar to form the United Republic of Tanganyika and Zanzibar. The country was renamed the United Republic of Tanzania on 29 October of that year. The name Tanzania is a blend of Tanganyika and Zanzibar and previously had no significance. Under the terms of this union, the Zanzibar Government retains ...
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Petra agreed to acquire the Williamson Mine in Tanzania in September 2008 from De Beers and completed the acquisition in February 2009. [14] The Williamson mine, which was discovered in 1940, has a reputation for the production of large, high value diamonds, with special stones (classified as larger than 10.8 carats (2.16 g)) produced regularly.