Breakthrough in orange – the potential of GemLIBS in gem testing
Author(s) : -
Date : 2005
Breakthrough in orange – the potential of GemLIBS in gem testing. Published in Jewellery News Asia, 2005.
Author(s): H.A. Haenni
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Tag : Fancy Sapphire
Orange treated sapphire: towards finding a name for a new product
Author(s) : -
Date : 2002
Orange treated sapphire: towards finding a name for a new product. Published in GAHK Journal, 2002.
Author(s): H.A. Haenni
Korunde aus dem Umba-Tal, Tansania
Author(s) : -
Date : 1986
Korunde aus dem Umba-Tal, Tansania. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1986.
Author(s): H.A. Haenni