Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from Brazil
Dendrites in agate
Dendrites in agate
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Partially etched diamond crystal
Partially etched diamond crystal
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Agate from Anzi, Maroc
Agate from Anzi, Maroc
 
 

Impressum

Anbieter dieser Website ist:

Schweizerische Gemmologische Gesellschaft
Schmiedenplatz 5
Postfach 258
3000 Bern 7

T. +41 31 329 20 72
F. +41 31 329 20 75
E. nfgmmlgch

Web development: Escapenet GmbH