Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Agate from Reichweiler, Germany
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Twin-crystal of chrysoberyl
Two-phase inclusions in tourmaline from Namibia
Natural etching structure on a crystal face of diamond (trigons), polarised light
Two-phase inclusions in sapphire, Sri Lanka
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania


Swiss Gemmological Society
Secretary: Iva Pavic

c/o Iva Pavic, Heerenschürlistrasse 4, 8051 Zürich

T. +41 78 720 98 54
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