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<p>[QUOTE=&quot;GDJMSP, post: 3006697, member: 112&quot;]What Jim is pointing out here is that it is the huge differences in the type of luster each coin has that produce the appearance each coin has, toned or not toned, as well as why Morgans are far more prone to toning than Peace dollars are. More flow lines, that are higher and more closely spaced, equals being more prone to toning because more area of the fragile luster is exposed to the air.</p><p><br /></p><p><br /></p><p><br /></p><p>No, not necessarily. If the coin is not toned you will see white, if the coin is toned you will see color.</p><p><br /></p><p><br /></p><p><br /></p><p>Yes it does. But, once those ridges tone, there is a color component. </p><p><br /></p><p><br /></p><p><br /></p><p>I agree, he used the wrong word for this instance. It&#039;s not diffraction, it&#039;s a combination of refraction and reflection.[/QUOTE]</p><p><br /></p>

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