«Red fox agate» from Patagonia, Argentina
Fluid inclusions in quartz with bituminous daughter minerals, China
Twin-crystal of chrysoberyl
Stress fissure («sun spangle») in baltic amber
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Spinel crystal in dolomite marble, Burma
Inclusion of apatite in ruby from Tanzania

Impressum

Anbieter dieser Website ist:

Schweizerische Gemmologische Gesellschaft
c/o BDO SA
Hodlerstrasse 5
3001 Bern

E. nfgmmlgch

Web development: Gecko Media