Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusion of apatite in ruby from Tanzania
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Two-phase inclusion in amethyst, Brazil
Inclusions of hematite in feldspar (sunstone), India
Dendrites in agate
Partially etched diamond crystal
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers

Aktuelles

Nationale Tagung: 7. - 9. Juni 2020 Alpenrose Wildhaus, St. Gallen.

 
 
 
 

 
 

REGIONALE KURSE:

Suisse Romande: 29. / 30. September 2019

Bern: 21. / 22. Oktober 2019

Basel / Solothurn / Aargau und Zentralschweiz: 4. November 2019

Zürich: 14. / 15. Oktober 2019

Ostschweiz / Liechtenstein: 16. / 17. September 2019

Tessin: 21. / 22. September 2019