Hi Steve,
Happy holidays. I hope you can get access to this recent publication, I think you'll like it. [
pubs.acs.org]
EDIT: Also, here's the pdf of a geminographic discussion on Gypsum starting at sect 5.2 on page 39. [
www.crystallography.fr]
Ron
Edited 1 time(s). Last edit at 12/23/2011 02:25AM by Ronald John Gyllenhammer.