gczop
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Posts: 202
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Post by gczop on Jul 24, 2016 8:53:34 GMT -6
Pyrophanite analog, half each Manganese and Titanium Dioxides. Cheers, G  |
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Post by jfox on Jul 24, 2016 11:47:53 GMT -6
what makes it an analog?
"In chemistry, a structural analog, also known as a chemical analog or simply an analog, is a compound having a structure similar to that of another one, but differing from it in respect of a certain component."
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gczop
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Posts: 202
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Post by gczop on Jul 24, 2016 18:23:01 GMT -6
Hey Jim,
Thanks for your interest.
Absent an XRD comparison with the real thing, am using "analog" perhaps imprecisely to express my uncertainty of what it actually is.
The term "analog" is also used in the mineral world which prompted my use or misuse of the term.
Cheers,
Gordon
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Post by jfox on Jul 24, 2016 18:53:11 GMT -6
looks like the titanium might be coming out of solution, it woul d be nice if you could get some pyrophanite like this   |
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gczop
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Posts: 202
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Post by gczop on Jul 25, 2016 18:00:52 GMT -6
Jim,
What is the provenance of that specimen?
Gordon
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Post by jfox on Jul 25, 2016 18:55:42 GMT -6
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