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Updated: June 19, 2025
This 'nickel-iron, as it is commonly called, is usually crystalline in texture, and when it is cut, polished, and 'etched' a beautiful net-work of lines is brought out, indicating plates which lie in positions determined by the crystalline character of the mass. This net-work of lines constitutes what are called the Widmannstattian figures, from the name of their discoverer.
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