Colour zoning in ruby from Mong-Shu, Burma
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Agate from Anzi, Maroc
Spinel crystal in dolomite marble, Burma
Two-phase inclusions in tourmaline from Namibia
Inclusions of hematite in aquamarine, Tanzania
Two-phase inclusion in amethyst, Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

Contatti

Società Gemmologica Svizzera
Segretariato : Rébecca Michelot
c/o BDO AG, Hodlerstrasse 5, 3001 Bern

T. +41 79 668 6989
E. info@gemmologie.ch