Inclusion of apatite in ruby from Tanzania
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Two-phase inclusions in sapphire, Sri Lanka
Twin-crystal of chrysoberyl
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Stress fissure («sun spangle») in baltic amber
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers

Contatti

Società Gemmologica Svizzera
Segretariato : Iva Pavic

c/o Iva Pavic, Heerenschürlistrasse 4, 8051 Zürich

T. +41 78 720 98 54
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