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<p>[QUOTE=&quot;Just Carl, post: 357081, member: 4552&quot;]Always bothered me too. If you leave a coin sitting on a car&#039;s dashboard and it tones, isn&#039;t that natural? If you speed it up on a stove it is now&nbsp; considered un-natural. If you&nbsp; purposely&nbsp; put a coin in the ground and it turns red or yellow after a few years is that natural? If you heat dirt with a coin in it now it is supposed to be AT? </p><p>Similar now with diamonds. If in the ground for a few million years it is a natural diamond. If produced in a&nbsp; machine, as we now can and do, it is not a real diamond???????? Atomically it is the same. However, such produced diamonds are considered not really a true diamond. Same with coins as far as I can tell. Atomically a toned coin is a toned coin. </p><p>Toning, tarnishing, corroding, tinting are all just reactions of a metal with other elements either over a period of time or rushed by artificial means. However, I just don&#039;t see the difference.[/QUOTE]</p><p><br /></p>

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