Uncommon minerals of gemstone quality from Tanzania
Author(s) : -
Date : 2006
Uncommon minerals of gemstone quality from Tanzania. Published in GIT Proceedings, 2006.
Author(s): H.A. Haenni
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Research Library
The quest for beauty
Author(s) : -
Date : 2006
Tags : Cultured Pearls / Pearl Farming
The quest for beauty
Author(s): H.A. Haenni
Observations on treated ruby and sapphire
Author(s) : -
Date : 2006
Observations on treated ruby and sapphire. Published in Taiwan Jewellery World Magazine, 2006.
Author(s): H.A. Haenni
News about treated brown cultured pearls
Author(s) :
-
Date : 2006
Tags : Cultured Pearls / Treatment
News about treated brown cultured pearls. Published in GAHK Journal, 2006.
Author(s): H.A. Haenni
Jewelry repair damages a diamond
Author(s) : -
Date : 2006
Jewelry repair damages a diamond. Published in Gems & Gemology, 2006.
Author(s): H.A. Haenni
About type II diamonds showing a 648.0 nm PL peak
Author(s) : -
Date : 2006
About type II diamonds showing a 648.0 nm PL peak. Published in GIT Proceedings, 2006.
Author(s): J.-P. Chalain, P. Lefevre, H.A. Haenni
Study shows chocolate pearls are ‘stained’
Author(s) : -
Date : 2006
Tags : Cultured Pearls / Treatments
Study shows chocolate pearls are ‘stained’. Published in Jewellery News Asia, 2006.
Author(s): H.A. Haenni
A short review of the use of ‘keshi’ as a term to describe pearls
Author(s) : -
Date : 2006
A short review of the use of ‘keshi’ as a term to describe pearls. Published in Journal of Gemmology, 2006.
Author(s): H.A. Haenni
Gemmologie: Le diamant et sa reglémentation
Author(s) : -
Date : 2006
Gemmologie: Le diamant et sa reglémentation. Published in Bulletin SSC, 2006.
Author(s): J.-P. Chalain
Black treated diamond with colour zoning
Author(s) : -
Date : 2006
Black treated diamond with colour zoning. Published in 2006.
Author(s): M.S. Krzemnicki