Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-phase inclusions in tourmaline from Namibia
Two-phase inclusions in tourmaline from Namibia
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from Brazil
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
 
 

Actuel

Conférence nationale: 6 - 8 mai 2018 Hôtel de la Paix, Lugano, Tessin

 
 
 
 

 
 

COURS RÉGIONAUX:

Suisse Romande: 30 septembre et 1er octobre 2018 région du Lavaux

Berne: Munich 26-28 octobre 2018

Bâle / Soleure / Argovie et Suisse centrale: Date à être annoncée

Zurich: Date à être annoncée

Suisse Orientale / Liechtenstein: Wildhaus 24-25 septembre 2018

Tessin: Acquacalda 22-23 septembre 2018