Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Partially etched diamond crystal
Partially etched diamond crystal
Agate from Reichweiler, Germany
Agate from Reichweiler, Germany
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Agate from Anzi, Maroc
Agate from Anzi, Maroc
 
 

Actuel

Conférence nationale: 7-9 juin 2020, Alpenrose Wildhaus, St Gallen.

 
 
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COURS RÉGIONAUX:

Suisse Romande: 29-30 septembre 2019

Berne: 21-22 Octobre 2019

Bâle / Soleure / Argovie et Suisse centrale: 4 novembre 2019

Zurich: Novembre 2019

Suisse Orientale / Liechtenstein: 16.-17. Septembre 2019

Tessin: 23.-24. Septembre 2019