Research Library

Fantasiefarbene Saphire: Die attraktive Farbenvielfalt eines klassischen Edelsteins

Fantasiefarbene Saphire: Die attraktive Farbenvielfalt eines klassischen Edelstein. Gold’Or (2011)

Author(s): M.S. Krzemnicki

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Gemstones and the fascination of colour

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Christie’s Hong Kong Spring Auction lecture by Dr. Michael Krzemnicki. “Gemstones and the fascination of colour”

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Spinel: a gemstone on the rise

Talk given by Dr. Michael Krzemnicki in Hong Kong in 2010 about spinel, a gemstone increasingly in vogue. History, sources, origin determations, synthetics and treatments.

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