Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber
Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Fire opal, Mexico
Fire opal, Mexico
Partially etched diamond crystal
Partially etched diamond crystal
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Dendrites in agate
Dendrites in agate
Midge included in amber from the Baltic coast, polarised light
Midge included in amber from the Baltic coast, polarised light
 
 

Attualita’

Conferenza nazionale: 7-9 giugno 2020 Alpenrose Wildhaus, San Gallo

 
 
Registrazione
Programma
 
 
 
 

CORSI REGIONALI:

Suisse Romande: 29 - 30 settembre 2019

Berna: 21.-22. Ottobre 2019

Basilea / Soletta / Argovia e Svizzera centrale: 4 novembre 2019

Zurigo: Novembre 2019

Svizzera orientale / Liechtenstein: 16.-17. Settembre 2019

Ticino: 23.-24. Settembre 2019