Natural Science Forum / Earth Science / Mineralogy / February 2005

Si vous parlez francais et que tout comme moi vous etes passionner par la
minéralogie envoyez moi un email

Yes, minerals are castles built by insects !

Hello from Bavaria
I would like to inform the plenum about a new website on giant
crystals and giant mineral aggregates with many rare photos and
images, to be found at

Has anybody synthesized gerhardtite, Cu2(NO3)(OH)3.
Is there a phase diagram for the system CuNO3-CuO-H2O ?
Stig Holmquist