Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Two-phase inclusions in sapphire, Sri Lanka
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Fluid inclusions in quartz with bituminous daughter minerals, China
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Structure in a healing fissure in topaz from Brazil
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fire opal, Mexico

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Schweizerische Gemmologische Gesellschaft
Sekretariat: Rébecca Michelot
c/o BDO AG, Hodlerstrasse 5, 3001 Bern

T. +41 79 668 6989
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