Der Gruene Dresdner
Author(s) : -
Date : 1989
Der Gruene Dresdner. Published in Schweizer Uhren- und Schmuck-Journal, 1989.
Author(s): G. Bosshart
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Le Dresde vert
Author(s) : -
Date : 1989
Tags : Diamant / Dresde Vert
Le Dresde vert. Published in Journal Suisse d’Horlogerie et de Bijouterie, 1989.
Author(s): G. Bosshart
The emeralds of Fazenda Boa Esperanca, Taua, Ceara, Brazil: occurence and properties
Author(s) : -
Date : 1988
The emeralds of Fazenda Boa Esperanca, Taua, Ceara, Brazil: occurence and properties. Published in Journal of Gemmology, 1988.
Author(s): D. Schwarz, H.A. Haenni, F.L. Martins Jr, M. Fischer
Die Smaragde der Fazenda Boa Esperenca bei Taua, Ceara, Brasilien: Vorkommen und Charateristika
Author(s) : -
Date : 1988
Die Smaragde der Fazenda Boa Esperenca bei Taua, Ceara, Brasilien: Vorkommen und Charateristika. Published in Zeitschrift der Deutschen Gemmologischen Gesellschaft, 1988.
Author(s): D. Schwarz, H.A. Haenni, F.L. Martins Jr, M. Fischer
Wenn es ein Ölfeld im Garten gibt
Author(s) : -
Date : 1988
Wenn es ein Ölfeld im Garten gibt. Published in Schweizer Uhren- und Schmuck-Journal, 1988.
Author(s): H.A. Haenni
Lorsqu’il y a de l’huile dans le jardin
Author(s) : -
Date : 1988
Lorsqu’il y a de l’huile dans le jardin. Published in Journal Suisse d’Horlogerie et Bijouterie, 1988.
Author(s): H.A. Haenni
Origin of the cat’s eye effect in heat-treated zircons from Sri Lanka
Author(s) : -
Date : 1988
Origin of the cat’s eye effect in heat-treated zircons from Sri Lanka. Published in Journal of Gemmology, 1988.
Author(s): H.A. Haenni, M. Weibel
An oil well in your garden
Author(s) :
-
Date : 1988
An oil well in your garden. Published in Swiss Watch and Jewelry Journal, 1988.
Author(s): H.A. Haenni
The emeralds from the Belmont Mine, Minas Gerais, Brazil
Author(s) : -
Date : 1987
The emeralds from the Belmont Mine, Minas Gerais, Brazil. Published in Journal of Gemmology, 1987.
Author(s): H.A. Haenni, D. Schwarz, M. Fischer
On corundums from Umba, Tanzania
Author(s) : -
Date : 1987
On corundums from Umba, Tanzania. Published in Journal of Gemmology, 1987.
Author(s): H.A. Haenni