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Here's the formal statement. If you're thinking, "Who cares?", at least one answer pertains to anyone who has come across a potential new mineral. If you come to me and say "I've found a solid with titanium and fluorine", this diagram tells us that it's probably not a simple TiF4 mineral - instead, it's probably something like TiF2(OH)2, because the blue field for chlorides appears unlikely to extend all the way to Ti4+. That's a useful sort of thing to know as you identify newly-discovered solids.

        If this diagram is for the "ide" minerals, the same sort of thing works for the "ate" minerals . . . .


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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 (rlsbk@gly.uga.edu)
Railsback's main web page
UGA Geology Department web page

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