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<p>[QUOTE=&quot;desertgem, post: 982908, member: 15199&quot;]I am certain it is not just the combination of the 2<b> only</b>. Storage differences can limit the amount of oxygen and environmental sulfides can certainly play a part. This is my theory, maybe someone with better analytic equipment can verify it. Thad will maybe jump in <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>Jim[/QUOTE]</p><p><br /></p>

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