Research Library

To what an extent a jeweller can detect treated diamonds

To what an extent a jeweller can detect treated diamonds. Published in Le Diamant, rêve et réalité, 2004.

Author(s): H.A. Haenni

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Verschiedenfarbige Bernsteine aus dem Baltikum

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Verschiedenfarbige Bernsteine aus dem Baltikum. Published in 2003.

Author(s): L. Kiefert

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