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Emeralds47
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Colombian Emeralds
submitted by Emeralds47 523 days ago (via squidoo.com)
Emeralds are from the mineral beryl. They are green in color due to the presence of Chromium and sometimes, Vanadium. Most emeralds are included. Inclusion is a trapped material within the stone as it is undergoing its formation. It is also the characteristic used to gauge the interior characteristics of gemstones.
 
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