Stress fissure («sun spangle») in baltic amber
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Inclusion of apatite in ruby from Tanzania
Two-phase inclusions in sapphire, Sri Lanka
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of hematite in feldspar (sunstone), India
«Red fox agate» from Patagonia, Argentina
Two-Phase inclusions and rutile needles in rock crystal from Brazil

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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