Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of hematite in feldspar (sunstone), India
Natural etching structure on a crystal face of diamond (trigons), polarised light
Midge included in amber from the Baltic coast, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-phase inclusions in sapphire, Sri Lanka

Swiss Gemmological Society

Committee

Name Telephone
President Dr Walter Balmer +41 33 530 30 30
Vice President Martin Julier +41 41 360 56 58
Secretary Rébecca Michelot +41 79 668 69 89
Cashier Hans-Ulrich Demuth +41 44 211 50 91
President of the Scientific Commission Michael Hügi +41 58 462 93 16

Scientific Commission

Name Telephone
President Michael Hügi +41 58 462 93 16
Member Willy Bieri +41 78 696 19 81
Member Dr. Thomas Hainschwang +42 32 62 24 64
Member Dr. Michael S. Krzemnicki +41 61 262 06 40
Member Hans Pfister +41 22 810 05 40‬
Representative CIBJO Adrian Meister +41 44 221 27 27

Material Management, Archives

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

Regional Group Leaders

Name

 Telephone
Group 1 Suisse romande, 23M

Mélanie Matthes

 ‭+41 78 644 7418
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