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<p>[QUOTE=&quot;desertgem, post: 759570, member: 15199&quot;]<p style="text-align: left"><span style="color: #000000"></span></p> <p style="text-align: left"><span style="color: #000000"><br /></span></p> <p style="text-align: left"><span style="color: #000000">The color progression, people often quote, is more complicated than a single grouping on silver coins. Here is a post where I give some links with more recent information on the silver toning color progression, based on molecular layer thicknesses. Notice that Blues occur 3 times in the overall progression and are never followed directly by black.</span></p> <p style="text-align: left"><span style="color: #000000"><br /></span></p> <p style="text-align: left"><span style="color: #000000"><a href="http://www.cointalk.com/t64441/#post657165" class="internalLink ProxyLink" data-proxy-href="http://www.cointalk.com/t64441/#post657165">http://www.cointalk.com/t64441/#post657165</a></span></p> <p style="text-align: left"><span style="color: #000000"><br /></span></p> <p style="text-align: left"><span style="color: #000000"><br /></span></p> <p style="text-align: left"><span style="color: #000000"><br /></span></p> <p style="text-align: left"><span style="color: #000000">Also, and I don&#039;t know the man White personally, but I don&#039;t know what part of his writing determines that he falls under the label of a nut or a lunatic. He just had new ideas at the time he wrote. If someone knows of a person who made the TPG very aware earlier, that toning could occur in their slabs when they thought not, and produced early evidence as to the toning process and how AT coins could be produced chemically. This information probably had opposite effects as many could use the information to experiment with coins AT processes ( and I hear they are much more advanced now), but many used the information to help identify and notice the toning.&nbsp; Most scientists are called &quot;nut&quot; at least once in their life <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></span></p> <p style="text-align: left"><span style="color: #000000"><br /></span></p> <p style="text-align: left"><span style="color: #000000">Jim</span></p> <p style="text-align: left"><span style="color: #000000"><br /></span></p><p>[/QUOTE]</p><p><br /></p>

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