Agate from Anzi, Maroc
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusion of apatite in ruby from Tanzania
Two-phase inclusion in amethyst, Brazil
Two-phase inclusions in sapphire, Sri Lanka
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Colour zoning in ruby from Mong-Shu, Burma

Contact

Societé Suisse de Gemmologie
Sekretariat: Willy Bieri

c/o Willy Bieri, Feldgass 34, 6170 Schüpfheim

T. +41 78 696 19 81
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