Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Midge included in amber from the Baltic coast, polarised light
Midge included in amber from the Baltic coast, polarised light
Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Inclusion of apatite in ruby from Tanzania
Inclusion of apatite in ruby from Tanzania
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
 
 

Attualita’

Conferenza nazionale: 28-30 aprile 2019 Meisterschwanden, Kanton Aargau

 
 
 
 

 
 

CORSI REGIONALI:

Suisse Romande: 30 settembre e 1 ottobre 2018 regione Lavaux

Berna: Monaco di Baviera dal 26 al 28 ottobre 2018

Basilea / Soletta / Argovia e Svizzera centrale: data da annunciare

Zurigo: data da annunciare

Svizzera orientale / Liechtenstein: Wildhaus 24-25 settembre 2018

Ticino: Acquacalda 22-23 settembre 2018