Research Library

A worked shell bead as an imitation of a Melo pearl

A worked shell bead as an imitation of a Melo pearl. Published in GAHK Journal, 2006.

Author(s): M.S. Krzemnicki

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Observations on treated ruby and sapphire

Observations on treated ruby and sapphire. Published in Taiwan Jewellery World Magazine, 2006.

Author(s): H.A. Haenni

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News about treated brown cultured pearls

News about treated brown cultured pearls. Published in GAHK Journal, 2006.

Author(s): H.A. Haenni

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Jewelry repair damages a diamond

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Jewelry repair damages a diamond. Published in Gems & Gemology, 2006.

Author(s): H.A. Haenni

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