Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
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
Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
 
 

Attualita’

Conferenza nazionale: 6 - 8 maggio 2018 Hotel de la Paix, Lugano, Ticino

 
 
Programma
Registrazione
 
 
 
 

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