Partially etched diamond crystal
Partially etched diamond crystal
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Agate from Reichweiler, Germany
Agate from Reichweiler, Germany
Midge included in amber from the Baltic coast, polarised light
Midge included in amber from the Baltic coast, polarised light
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
 
 

Aktuelles

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

 
 
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REGIONALE KURSE:

Suisse Romande: 29. - 30. September 2019

Bern: 21.-22. Oktober 2019

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

Zürich: November 2019

Ostschweiz / Liechtenstein: 16.-17. September 2019

Tessin: 23.-24. September 2019