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1986

Korunde aus dem Umba-Tal, Tansania

Korunde aus dem Umba-Tal, Tansania. Published in Z […]

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Authors

  • H.A. Haenni
Research Articles
OriginsSapphire
1985

Ramaura – une nouvelle synthèse de rubis

Ramaura – une nouvelle synthèse de rubis. Publish […]

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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 […]

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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 La […]

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Authors

  • H.A. Haenni
Research Articles
Pearl
1983

Weitere Untersuchungen an farbwechselnden Edelsteinen

Weitere Untersuchungen an farbwechselnden Edelsteinen. […]

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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 […]

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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 i […]

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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 Sap […]

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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 […]

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Authors

  • H.A. Haenni
Research Articles
Treatments
1982

Perlendiagnose mit Laue-Aufnahmen

Perlendiagnose mit Laue-Aufnahmen. Published in Zeitsch […]

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Authors

  • H.A. Haenni
Research Articles
Pearl

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