Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Dendrites in agate
Dendrites in agate
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Two-phase inclusions in tourmaline from Namibia
Two-phase inclusions in tourmaline from Namibia
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
 
 

Current

National course April 28th-30th, 2019 Meisterschwanden, Kanton Aargau

 
 
 
 

 
 

REGIONAL COURSES:

Suisse Romande: September 30 and October 1, 2018 Lavaux region

Bern: Munich 26-28 October 2018

Basel / Solothurn / Aargau and Central Switzerland: Date to be announced

Zurich: Date to be announced

East Switzerland / Liechtenstein: Wildhaus 24-25 September 2018

Ticino: Acquacalda 22-23 September 2018