Citrine 

An Amethyst is the most valuable and precious stone of the quartz family. More often than not are Amethyst facet with good color, cut into fancy stones.…

Source on Ametrine gemstones and various information on the cuts and polishes. With guides that cover great information on Ametrine facet.

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on the Just Ask Jeff: Tucson Gem Show 2009 article.…

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on the Just Ask Jeff: Tucson Gem Show 2007 article.…

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on the Just Ask Jeff: Tucson Gem Show 2008 article.…

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on the Just Ask Jeff: Tucson Gem Show 2005 article.…

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on the Just Ask Jeff: Tucson Gem Show 2006 article.…

Jeff R Graham shares his opinions and thoughts on various topics in Just Ask Jeff. See what Jeff shares on the Just Ask Jeff: Tucson Gem Show 2004 article.…

Get the insight of Jeff on all your questions and concerns about Gemstones. This “Just ask Jeff” article talks about the authenticity of man-made…