Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
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
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
 
 

Aktuelles

Nationale Tagung: 28.-30. April 2019 Meisterschwanden, Kanton Aargau

 
 
 
 

 
 

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