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<p>[QUOTE=&quot;GDJMSP, post: 823224, member: 112&quot;]Yes Ben, light is necessary to be able to see luster. But then light is necessary to be able to see anything and everything. In fact there are even some things that you cannot see even with light - but that doesn&#039;t mean they are not there.</p><p><br /></p><p>And when you use the word all - I assume that to mean that I was included as well when I should not have been given my comments - </p><p><br /></p><p>&quot;To understand the differences in various types of luster you need only to look at them - and to understand what luster is. In simple terms, luster is the way that light is reflected and refracted from the surface of a coin. And since light is reflected from everything, the thing that changes luster from one type to another is the way that it is refracted. And refraction depends upon the various differences in the surfaces of the various coins.&quot;</p><p><br /></p><p>And you should really be more careful with your wording for when talking about coins for it can confuse people. Luster is not - </p><p><br /></p><p><br /></p><p><br /></p><p>Given your definition a whizzed coin would have luster - it doesn&#039;t. A well worn coin would have luster - it doesn&#039;t. A blank planchet would have luster - it doesn&#039;t. All of these things reflect light back at you - but none of them have luster. The shirt you are wearing reflects light back at you - but it doesn&#039;t have luster either.</p><p><br /></p><p>Now I&#039;m not saying that you don&#039;t know what luster is, I know <u>you</u> know what it is. But when explaining it to others we need to be careful for many don&#039;t understand it as it is, and to explain it incorrectly only makes it worse and harder for them <u>to</u> understand.</p><p><br /></p><p>As I said, luster needs to be seen to be understood for words simply cannot describe it sufficiently.[/QUOTE]</p><p><br /></p>

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