From Wikipedia, the free encyclopedia

This article was expanded by wang7333 for the University of Houston course GEOL 3370 Introduction to Mineralogy, Prof. Jonathan Snow, Instructor.-- Wang7333 ( talk) 01:23, 30 November 2011 (UTC) reply


Redid a bit. Chopped some "school term paper" stuff including some irrelevant stuff about Mn in coins - this rare mineral has only been reported from mine dump specimens at one location. Please see relevance and WP:OR/ WP:SYN. Vsmith ( talk) 23:55, 27 November 2011 (UTC) reply

From Wikipedia, the free encyclopedia

This article was expanded by wang7333 for the University of Houston course GEOL 3370 Introduction to Mineralogy, Prof. Jonathan Snow, Instructor.-- Wang7333 ( talk) 01:23, 30 November 2011 (UTC) reply


Redid a bit. Chopped some "school term paper" stuff including some irrelevant stuff about Mn in coins - this rare mineral has only been reported from mine dump specimens at one location. Please see relevance and WP:OR/ WP:SYN. Vsmith ( talk) 23:55, 27 November 2011 (UTC) reply


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