Tag : Sapphire

Fantasiefarbene Saphire: Die attraktive Farbenvielfalt eines klassischen Edelsteins

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

Author(s): M.S. Krzemnicki

Download PDF

Observations on treated ruby and sapphire

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

Author(s): H.A. Haenni

Download PDF

Breakthrough in orange – the potential of GemLIBS in gem testing

Breakthrough in orange – the potential of GemLIBS in gem testing. Published in Jewellery News Asia, 2005.

Author(s): H.A. Haenni

Download PDF