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January/February 2016: In This Issue

U.S. State Gemstones That Are Blue

by Mark Ivan Jacobson

Blue minerals are the theme of the 2016 Tucson Gem and Mineral Show.®

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Blue Minerals: Exploring Cause & Effect

by Elise A. Skalwold and William A. Bassett

From its vast expanses of cerulean waters to its azure heavens above, our world is dominated by blue, so it is no wonder that the color blue is favored by many across cultures and throughout the ages.       

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