Agate from Anzi, Maroc
Inclusion of apatite in ruby from Tanzania
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Twin-crystal of chrysoberyl
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Natural etching structure on a crystal face of diamond (trigons), polarised light
Bubbles and swirls in moldavite (natural glass)
Inclusions of hematite in aquamarine, Tanzania


Schweizerische Gemmologische Gesellschaft
Sekretariat: Iva Pavic

c/o Iva Pavic, Heerenschürlistrasse 4, 8051 Zürich

T. +41 78 720 98 54
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