Natural etching structure on a crystal face of diamond (trigons), polarised light
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Bubbles and swirls in moldavite (natural glass)
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Attualita’

Conferenza nazionale 2025:

15.06. - 17.06.2025

Seehotel Wilerbad, Wilen am Sarnersee

Il modulo di iscrizione e il programma saranno pubblicati qui nella primavera del 2025 e inviati ai soci via e-mail.

Seehotel Wilerbad, Wilen am Sarnersee