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Stories about: selenite

World's Largest Crystal Cave Is in Mexico Situated in Chihuahua, Mexico, the Giant Cave of Crystals is abundant in selenite (gypsum) crystals which have reached lengths of 50 feet (15 meters) and weights of 50 tons.The breath-taking Chihuahua cave is the largest crystal one ever found. These wonderful crystals are located in big “pockets”, a... 26 September 2008 11:13 GMT