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Gunterite & Hughesite

Posted by Uwe Kolitsch  
Uwe Kolitsch August 31, 2011 08:09AM

Sunday Mine in San Miguel, Colorado
Named after Mickey Gunter, outstanding optical mineralogist.

formula not given
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same mine
Named after John Hughes, professor of geology at the University of Vermont

Edited 1 time(s). Last edit at 08/31/2011 08:12AM by Uwe Kolitsch.
Marco E. Ciriotti August 31, 2011 01:12PM
For hughesite the formula is: Na3Al(V5+10O28)·22H2O.
Uwe Kolitsch August 31, 2011 05:06PM
Found also unit-cell data:
Harald Oskar Folvik September 04, 2011 11:50AM
Does anyone have an IMA number on those minerals??
Ronald John Gyllenhammer September 04, 2011 01:57PM
Gunterite (IMA 2011-011)
Hughesite (IMA 2009-035a)
Marco E. Ciriotti September 04, 2011 05:21PM
Gunterite is IMA 2011-001.
Ronald John Gyllenhammer September 04, 2011 06:20PM
Hi Marco,

Sorry if I was incorrect on Gunterite as I used these references:

1) Kampf, A., Hughes, J., Marty, J., and Nash, B., 2011. Gunterite. IMA 2011-011. CNMNC Newsletter, Mineralogical Magazine, v. 75 (in press).

2) Mineralienatlas

Jim Ferraiolo September 04, 2011 11:48PM
Unfortunately none of the 2011 approvals have been published yet (Thanks MinMag), but gunterite is 2011-001.
Stuart Mills September 05, 2011 02:13AM
Yup, 001.
Maurizio Dini September 13, 2011 03:35PM
both specimens aren't yet loaded on mindat!

someone can do it?
maurizio dini
Uwe Kolitsch February 04, 2012 08:25PM
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