Two-phase inclusions in tourmaline from Namibia
Fluid inclusions in quartz with bituminous daughter minerals, China
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Partially etched diamond crystal
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Two-phase inclusion in amethyst, Brazil
Colour zoning in ruby from Mong-Shu, Burma

Contatti

Società Gemmologica Svizzera
Segretariato : Willy Bieri

c/o Willy Bieri, Feldgass 34, 6170 Schüpfheim

T. +41 78 696 19 81
E. nfgmmlgch