MPI University of Basel

Prof. Dr. Henry A. Hänni

Mineralogisch-Petrographisches Institut
Universität Basel
Bernoullistrasse 30
CH-4056 Basel, Switzerland

Tel. +41 61 267 36 24
Fax. +41 61 267 28 81
h-a.haenni@unibas.ch



The Gemmology Section is working in close cooperation with the
SSEF Swiss Gemmological Institute
Falknerstrasse 9
CH-4001 Basel

Tel. +41 61 262 06 40
Fax. +41 61 262 06 41