User:Dioptase

[1] Pecoriate: A nickle sulfate mineral usually derived from the weathering-and-or oxidation of nickle sulfide minerals such as millerite(1)Superscript text. Pecoriate is a lime green mineral usually associated with carbonate rocks of the mid-continent-U S. It is frequently found in mineral collections where it occupies the interior of small geodes many of which have come from a large road cut near Halls Gap, Kentucky. Pecoriate in quantity in the St. Louis, Missouri area where it was found in many medium sized geodes which were collected during the construction of I-44 southwest of Valley Park, Missouri. Pecoriate has also been found associated with millerite and with the nickle sulfate mineral Honessite.

(1) Stinchcomb, Bruce L. 2010. Meteorites. Schiffer Publishing Ltd. Atglen, Pennsylvania[[

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