Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
Dendrites in agate
Dendrites in agate
Fire opal, Mexico
Fire opal, Mexico
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
 
 

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