Different Mining Method Of Tanzanite

Different Mining Method Of Tanzanite

2009-10-27In the case I am referring to, the tanzanite was of a natural blue. The lab I sent the gem to tested the gem in 3 different places. Two came out as being unheated and the third as heated... Im not saying labs cant test an unheated tanzanite, Im saying that they would have to work on a method. Some labs have, some havent.


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