Distinguishing natural Tibetan copper-bearing andesine from its diffusion-treated counterparts using advanced analytical methods

Authors: Adolf Peretti, Igor Villa, Willy Bieri, Kathrin Hametner, Ladina Dorta, Gisela Fontaine, Mario Meier, Detlef Günther
Published in: Contributions to Gemmology No. 10

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11/10/2015