Stress fissure («sun spangle») in baltic amber
Fluid inclusions in quartz with bituminous daughter minerals, China
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Spinel crystal in dolomite marble, Burma
Partially etched diamond crystal
Twin-crystal of chrysoberyl
Two-phase inclusion in amethyst, Brazil
Inclusions of hematite in aquamarine, Tanzania

Kontakt

Schweizerische Gemmologische Gesellschaft
Sekretariat: Rébecca Michelot
c/o BDO AG, Hodlerstrasse 5, 3001 Bern

T. +41 79 668 6989
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