Tag : Origin Determination

Kashmir sapphire origin determination: potential and limitations

Presentation entitled “Kashmir sapphires: Potential and limitations of origin determination by chemical fingerprinting with LA ICP mass spectrometry”. GAHK seminar in June 2012 by Dr. Michael S. Krzemnicki.

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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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Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LAICPMS), a new method for gemstone analysis

Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LAICPMS), a new method for gemstone analysis. Published in GAHK Journal, 2007.

Author(s): M.S. Krzemnicki, T. Pettke, H.A. Haenni

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