Netherlands, Minerals Foundation

[Frank de Wit]

MF (formerly known as IMFF)
Minerals Foundation
http://www.mineralsfoundation.eu/
http://www.mineralsforum.eu/
https://www.youtube.com/channel/UCQZA0DteiEozZMXvU31ovPg
https://www.instagram.com/mineralsfoundation/
https://www.facebook.com/MineralsFoundation

Kristian Egberts http://www.strahlen.org/forum/index.php/topic,12264.0.html
Robert Komduur http://www.strahlen.org/forum/index.php/topic,6143.0.html
Henrie G. Heikens http://www.strahlen.org/forum/index.php/topic,6142.0.html

Daniël Middel http://www.strahlen.org/forum/index.php/topic,11735.0.html
John de Bruijn http://www.strahlen.org/forum/index.php/topic,15318.0.html
Erwin Bras http://www.strahlen.org/forum/index.php/topic,14264.0.html

(Ex: Peter Driessen http://www.strahlen.org/forum/index.php/topic,9225.0.html)

"Netherlands"

Also see their magazine http://www.strahlen.org/forum/index.php/topic,20950.0.html