Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Spinel crystal in dolomite marble, Burma
Colour zoning in ruby from Mong-Shu, Burma
Fire opal, Mexico
Inclusions of hematite in aquamarine, Tanzania
Two-phase inclusions in sapphire, Sri Lanka
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light

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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