Editing Widmanstätten pattern (section)

==Preparation==
[[File:Canyon Diablo meteorite, pattern.jpg|thumb|Etched slice of a [[Canyon Diablo meteorite]] showing a Widmanstätten pattern]]

The methods used to reveal the Widmanstätten pattern on iron meteorites vary. Most commonly, the slice is ground and polished, cleaned, etched with a chemical such as [[nitric acid]] or [[ferric chloride]], washed, and dried.<ref>{{cite web|last1=Harris|first1=Paul|last2=Hartman|first2=Ron|last3=Hartman|first3=James|title=Etching Iron Meteorites|url=http://www.meteorite-times.com/articles/etching-iron-meteorites/|publisher=Meteorite Times|access-date=October 14, 2016|date=November 1, 2002|archive-date=October 18, 2016|archive-url=https://web.archive.org/web/20161018202645/http://www.meteorite-times.com/articles/etching-iron-meteorites/|url-status=live}}</ref><ref>{{cite journal |author=Nininger, H.H. |title=Directions for the Etching and Preservation of Metallic Meteorites |journal=Proceedings of the Colorado Museum of Natural History |volume=15 |issue=1 |pages=3–14 |date=February 1936|bibcode=1945PA.....53...82N}}</ref>
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