Fire opal, Mexico
Midge included in amber from the Baltic coast, polarised light
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Dendrites in agate
Inclusions of gilalite aggregates in rock crystal from Brazil
Two-phase inclusion in amethyst, Brazil
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

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