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1986

Korunde aus dem Umba-Tal, Tansania

Korunde aus dem Umba-Tal, Tansania. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1986. Author(s): H.A. Haenni

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Authors

  • H.A. Haenni
Research Articles
OriginsSapphire
1985

Ramaura – une nouvelle synthèse de rubis

Ramaura – une nouvelle synthèse de rubis. Published in Journal Suisse des horlogers et des bijoutiers-orfèvres, 1985. Author(s): G. Bosshart

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Authors

  • G. Bosshart
Research Articles
RubySynthetics
1983

Neues vom Smaragd-Vorkommen von Sta. Terezinha de Goais, Goais, Brasilien

Neues vom Smaragd-Vorkommen von Sta. Terezinha de Goais, Goais, Brasilien. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1983. Author(s): H.A. Haenni , C.J. Kerez

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Authors

  • C.J. Kerez
  • H.A. Haenni
Research Articles
Emerald
1983

The influence of the internal structure of pearls on Lauegrams

The influence of the internal structure of pearls on Lauegrams. Published in Journal of Gemmology, 1983. Author(s): H.A. Haenni

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Authors

  • H.A. Haenni
Research Articles
Pearl
1983

Weitere Untersuchungen an farbwechselnden Edelsteinen

Weitere Untersuchungen an farbwechselnden Edelsteinen. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1983. Author(s): H.A. Haenni

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Authors

  • H.A. Haenni
Research Articles
Gemmology
1983

Naturally-coloured and treated yellow and orange-brown sapphires

Naturally-coloured and treated yellow and orange-brown sapphires. Published in Journal of Gemmology, 1983. Author(s): K. Schmetzer, G. Bosshart, H.A. Haenni

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Authors

  • G. Bosshart
  • H.A. Haenni
  • K. Schmetzer
Research Articles
SapphireTreatments
1983

Un gisement d’émeraudes à Madagascar

Un gisement d’émeraudes à Madagascar. Published in Revue A.F.G., 1983. Author(s): H.A. Haenni

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Authors

  • H.A. Haenni
  • H.H. Klein
Research Articles
EmeraldOrigins
1982

Naturfarbene und behandelte gelbe und orange-braune Sapphire

Naturfarbene und behandelte gelbe und orange-braune Sapphire. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1982. Author(s): K. Schmetzer, G. Bosshart, H.A. Haenni

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Authors

  • G. Bosshart
  • H.A. Haenni
  • K. Schmetzer
Research Articles
SapphireTreatments
1982

Zur Erkennung diffusionsbehandelter Korunde

Zur Erkennung diffusionsbehandelter Korunde. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1982. Author(s): H.A. Haenni

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Authors

  • H.A. Haenni
Research Articles
Treatments
1982

Perlendiagnose mit Laue-Aufnahmen

Perlendiagnose mit Laue-Aufnahmen. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1982. Author(s): H.A. Haenni

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Authors

  • H.A. Haenni
Research Articles
Pearl

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