Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Agate from Anzi, Maroc
Dendrites in agate
«Red fox agate» from Patagonia, Argentina
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusion of apatite in ruby from Tanzania

Current

Save the date: SGG/SSG Central Conference 2026:

21 - 23 June 2026

Deltapark Vitalresort, Gwatt bei Thun

The registration form and programme will be published here in spring 2026 and sent to members by e-mail.

Seehotel Wilerbad, Wilen am Sarnersee