Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from Brazil
Midge included in amber from the Baltic coast, polarised light
Midge included in amber from the Baltic coast, polarised light
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Partially etched diamond crystal
Partially etched diamond crystal
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), 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
 
 

Aktuelles

Nationale Tagung: 6. - 8. Mai 2018 Hotel de la Paix, Lugano, Tessin

 
 
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REGIONALE KURSE:

Suisse Romande: 30. September und 1. Oktober 2018 Lavaux Region

Bern: München 26.-28. Oktober 2018

Basel / Solothurn / Aargau und Zentralschweiz: Termin wird noch bekannt gegeben

Zürich: Termin wird noch bekannt gegeben

Ostschweiz / Liechtenstein: Wildhaus 24.-25. September 2018

Tessin: Acquacalda 22.-23. September 2018