Inclusions of hematite in feldspar (sunstone), India
Two-phase inclusions in sapphire, Sri Lanka
Twin-crystal of chrysoberyl
Structure in a healing fissure in topaz from Brazil
Colour zoning in ruby from Mong-Shu, Burma
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Two-phase inclusions in tourmaline from Namibia


Societé Suisse de Gemmologie
Sekretariat: Iva Pavic

c/o Iva Pavic, Heerenschürlistrasse 4, 8051 Zürich

T. +41 78 720 98 54
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