Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Twin-crystal of chrysoberyl
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Spinel crystal in dolomite marble, Burma
Partially etched diamond crystal
Inclusions of hematite in aquamarine, 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