GemResearch Swisslab (GRS) Specializing in Origin Determination of Fine Rubies and Sapphires

Sapphires from the Andranondambo mine in SE Madagascar


Abstract	Introduction	Geology & Mining	Production and distribution


Auctions	Gemological Properties	Fluid inclusions	Solid Inclusions

Conclusion Summary List of Publications

Gübelin E. and Peretti A. (1997): Sapphires from Adranondambo mine in SE Madagascar: evidence for metasomatic skarn formation. Journal of Gemmology, Vol. 25, No. 7., pp. 453 - 470.

Gübelin E. and Peretti A. (1998): Die Saphire von Andranondambo. Eine neue Edelsteinlagestätte auf Madgaskar, Neue Zürcher Zeitung. 15th April, No. 86, P. 65.