Spinel crystal in dolomite marble, Burma
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Agate from Reichweiler, Germany
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of hematite in feldspar (sunstone), India
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Inclusion of apatite in ruby from Tanzania
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers

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Save the date: SGG/SSG Zentraltagung 2026

21.06. - 23.06.2026

Deltapark Vitalresort, Gwatt bei Thun

Seehotel Wilerbad, Wilen am Sarnersee