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Tanzanian ruby is ruby that is mined mostly around a small town called Winza in Tanzania. There have been many high quality stones discovered there of which the majority are completely natural, ie. free of heat treatment. There are some that rival the famous Burma Ruby. In the gem markets of today, Tanzania and Mozambique are now the main suppliers of fine quality Ruby.

Burma and Thailand Rubies are no longer commercially viable due to a lack of supply and an import embargo of Burma rubies into the American market.

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14y ago

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