There are no yellow diamonds among the hard cations - none of them make simple sulfide minerals, and none of them make simple iodides or bromides either. I wish I had known this when I was taking mineralogy long ago. To make this point more clearly . . . ..


Image                                             Image


The first slide of this presentation
The last slide of this presentation
Railsback's main page about the Earth Scientist's Periodic Table of the Elements and Their Ions
e-mail to Bruce Railsback (
Railsback's main web page
UGA Geology Department web page

The content and opinions expressed on this Web page do not necessarily reflect the views of nor are they endorsed by the University of Georgia or the University System of Georgia.