Structure in a healing fissure in topaz from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Two-phase inclusion in amethyst, Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of hematite in feldspar (sunstone), India
Stress fissure («sun spangle») in baltic amber
Fluid inclusions in quartz with bituminous daughter minerals, China
Fire opal, Mexico

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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