Stress fissure («sun spangle») in baltic amber
Inclusions of hematite in aquamarine, Tanzania
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Fluid inclusions in quartz with bituminous daughter minerals, China
Inclusion of apatite in ruby from Tanzania
Two-phase inclusions in sapphire, Sri Lanka
«Red fox agate» from Patagonia, Argentina

Kontakt

Schweizerische Gemmologische Gesellschaft
Sekretariat: Iva Pavic

c/o Iva Pavic, Heerenschürlistrasse 4, 8051 Zürich

T. +41 78 720 98 54
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