Links

Data bases

www.mindat.org
Mineralogical data base, good search function, chatroom

www.webmineral.com
Mminerals data base

www.gemdat.org/
very good gemmological data base

Forums

gemologyonline.com
American gemological forum

goettgen.de/schmuck-foren/index.html
German gems and jewellery forum

Gemmological associations

www.gem-a.com/
Gemmological Association of Great Britain

www.gia.edu
Gemmological Institute of America

www.dgemg.com
German Gemmological Association

Goldsmithing tools

www.j-felber.at
Precision tools for goldsmiths

Graphic art

www.fritzgrafik.at
Designer of our postcards

Precious metals

www.oegussa.at
The world of precious metals