Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Agate from Reichweiler, Germany
Agate from Reichweiler, Germany
Fluid inclusions in quartz with bituminous daughter minerals, China
Fluid inclusions in quartz with bituminous daughter minerals, China
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from 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