GEOLOGICAL SURVEYS-INSTITUTIONS-SOCIETIES

AGMB - Luxembourg association of rockhounds, mineral and fossil hunters

BDG-Berufsverband deutscher Geowissenschaftler  e.V. (Trade Association of German Geoscientists)

Canadian Geological Survey

Geological Surveys and Related Institutions (Regierungspräsidium Freiburg (in German))

Gemology World

Geodienst Dr. Dillmann - Geo Service

Geo Nord

Geraer Mineralien- und Fossilienfreunde e.V.  - Gera mineral and fossil hunters

Grubenarchaeologische Gesellschaft - Mining heritage and archaeological society

US Geological Survey Minerals Information

VFMG Weiden  - Association of lapidary and mineral collectors – Section Weiden/ Upper Palatinate

VFMG Wuppertal - Association of lapidary and mineral collectors – Section Berg-Mark

Virtual Geomorphology

Worldwide Geological Surveys

World Mining Overview

DMG