Twin-crystal of chrysoberyl
Inclusions of gilalite aggregates in rock crystal from Brazil
Two-phase inclusions in tourmaline from Namibia
Structure in a healing fissure in topaz from Brazil
Natural etching structure on a crystal face of diamond (trigons), polarised light
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers

Impressum

Anbieter dieser Website ist:

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

E. nfgmmlgch

Web development: Gecko Media