Research Library

The orientation and symmetry of light spots and asterism in rose quartz spheres from Madagascar

The orientation and symmetry of light spots and asterism in rose quartz spheres from Madagascar. Published in Journal of Gemmology, 2006.

Author(s): K. Schmetzer, M.S. Krzemnicki

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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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