New developments in pearl analysis: x-ray microtomography and radiocarbon age dating of pearls. Published in GAHK Journal, 2009.
Author(s): M.S. Krzemnicki
Neu im Handel: Rubine aus Montepuez, Mosambik. Published in GoldOr, 2009.
Author(s): M.S. Krzemnicki
Echte Perlen – Abalone, Conch, Melo – Exquisites von Meeresschnecken. Published in GoldOr, 2009.
Author(s): M.S. Krzemnicki
Echte Perlen ohne Perlmutter- unbekannt und geheimnisvoll. Published in GoldOr, 2009.
Author(s): M.S. Krzemnicki
Der Perlenstruktur auf der Spur. Published in GoldOr, 2009.
Author(s): M.S. Krzemnicki
New rubies from Montepuez, Mozambique. Published in Jewellery News Asia, 2009.
Author(s): M.S. Krzemnicki
Moonstones and Co: a brief review of the feldspar group. Published in 2009.
Author(s): H.A. Haenni
Explaining the flame structure in non-nacreous pearls. Published in 2009.
Author(s): H.A. Haenni
Damage to cut gemstones. Published in The Valuer, 2009.
Author(s): H.A. Haenni
Advancements in gemmological instrumentation over the last 30 years. Published in GAHK Journal, 2009.
Author(s): H.A. Haenni