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Originally Posted by tom hyle
Actually though we may have forgotten, I think it is very easy for anyone not familiar with either to confuse or conflate the two; the primary visual difference is contiunual curved layers vs. patchy small layers; not a very big difference to the many people who are not much used to thinking about material structures....
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As long as we keep in mind, there isn't any black color in the Widmanstatten pattern. The affect is cause by the different speeds the acid "eats" it's way through the nickel-iron structure... where in pamor, it is a blackening affect by depositing sulfur on the iron, changing the color of the iron surface.
BSMStar