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Emerald "Trapiche"  This is a slice of a crystal. Is the result of the growth of a Crystal with the darkened impurity of lutite. As the Crystal grows the darker lutite is pushed to the center and then radiates out in the six directions of the corners of the Crystal. An analysis of MUZO´s trapiche emerald found that the principal coloring agent was vanadium.”3 and “Trapiche Emerald’s are formed when black carbon impurities fill in at the emerald crystal junction.

Emerald "Trapiche" This is a slice of a crystal. Is the result of the growth of a Crystal with the darkened impurity of lutite. As the Crystal grows the darker lutite is pushed to the center and then radiates out in the six directions of the corners of the Crystal. An analysis of MUZO´s trapiche emerald found that the principal coloring agent was vanadium.”3 and “Trapiche Emerald’s are formed when black carbon impurities fill in at the emerald crystal junction.

http://unearthedgemstones.tumblr.com/ Looking down the crystal axis of a backlit 58.83 ct trapiche emerald from Peñas Blancas (also featured on the cover of this issue). Photo by Robert Weldon/GIA,...

http://unearthedgemstones.tumblr.com/ Looking down the crystal axis of a backlit 58.83 ct trapiche emerald from Peñas Blancas (also featured on the cover of this issue). Photo by Robert Weldon/GIA,...

Extra Fine "Reverse" Trapiche' Emerald

0.16 carat Trapiche Emerald from Penas Blancas

鉱物マニアの為の魅惑のキュートな25の鉱物・鉱石・結晶

鉱物マニアの為の魅惑のキュートな25の鉱物・鉱石・結晶

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