Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in aquamarine, 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
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
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
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Dendrites in agate
Dendrites in agate
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
 
 

Current

National course 6 - 8 May 2018 Hotel de la Paix, Lugano, Ticino

 
 
 
 

 
 

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