Widmanstatten patterns

Widmanstatten patterns

[′vit·mən‚shtät·ən ‚pad·ərnz]
(geology)
Characteristic figures that appear on the surface of an iron meteorite when the meteorite is cut, polished, and etched with acid.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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41 Where would you find the striking nickel-iron crystals called Widmanstatten patterns?