«Red fox agate» from Patagonia, Argentina
Inclusion of apatite in ruby from Tanzania
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Structure in a healing fissure in topaz from Brazil
Spinel crystal in dolomite marble, Burma
Two-phase inclusions in sapphire, Sri Lanka
Colour zoning in ruby from Mong-Shu, Burma

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