«Red fox agate» from Patagonia, Argentina
Inclusions of hematite in aquamarine, Tanzania
Fire opal, Mexico
Two-phase inclusions in sapphire, Sri Lanka
Fluid inclusions in quartz with bituminous daughter minerals, China
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Inclusions of gilalite aggregates in rock crystal from Brazil
Dumortierite in rock crystal, Brazil, polarised light

Kontakt

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

T. +41 79 668 6989
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