Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Stress fissure («sun spangle») in baltic amber
Twin-crystal of chrysoberyl
Bubbles and swirls in moldavite (natural glass)
Fire opal, Mexico
Inclusion of apatite in ruby from Tanzania
Structure in a healing fissure in topaz from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

Swiss Gemmological Society

Committee

Name Telephone Fax
President Martin Julier +41 41 360 56 58
Vice President Andri Letta +41 81 750 56 56
Secretary Willy Bieri +41 78 696 19 81
Cashier Hans-Ulrich Demuth +41 44 211 50 91
President of the Scientific Commission Michael Hügi +41 58 462 93 16 +41 31 952 73 30

Scientific Commission

Name Telephone Fax
President Michael Hügi +41 58 462 93 16 +41 31 952 73 30
Member Dr. Thomas Hainschwang +42 32 62 24 64
Member Hans Pfister +41 22 810 05 40‬
Member Dr. Michael S. Krzemnicki +41 61 262 06 40 +41 61 262 06 41
Representative CIBJO Adrian Meister +41 44 221 27 27 +41 44 212 52 24

Material Management, Archives

Name Telephone Fax
Material Management, Archives Balz Blumer +41 44 487 91 00 +41 44 487 91 01

Regional Group Leaders

Name

 Telephone Fax
Group 1 Suisse romande, 22M

Rébecca Michelot

 +41 79 668 69 89
Group 2 Berne, 15 M

Patrick Stebler

 +41 31 951 10 73
Group 3 Basel / Solothurn / Aarau and Group 4 Central Switzerland, 23 M

Natalya Hermenau

 +41 76 521 66 52
Group 5 Zurich, 27 M

Astrid Bosshard

 +41 76 387 04 50
Group 6 East Switzerland, 13 M

Nicola Cemin

 +41 71 988 10 65
Group 7 Ticino, 7 M

Mattia Cilluffo

 +41 91 682 65 45

Honorary Members

Prof. Dr. Max Weibel, Zürich
Prof. Dr. Henry A. Hänni