These amazing cave pictures certainly reminded me of the Fortress of Solitude as seen in the superman movie!The largest natural crystals on Earth have been discovered in two caves within a silver and zinc mine near Naica, in Chihuahua, Mexico, according to mine officials. Reaching lengths of over 20 feet (6 meters), the clear, faceted crystals are composed of selenite, a crystalline form of the mineral gypsum.
"Walking into either of these caves is like stepping into a gigantic geode," said Richard D. Fisher, an American consultant with the mining company to develop the discoveries as tourist attractions. Fisher said that most people can endure only a few minutes in the caves due to their high temperatures. The smaller of the two, which is about the size of two-bedroom apartment, is 100 Fahrenheit (37.8 Celsius). The large chamber, which Fisher describes as the size of a Cathedral, is 150 F (65.6 Celsius). Both are located approximately 1200 feet (365.8 meters) below the surface.
More cool pictures of these caves after the jump.
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Tags: Cave | Crystal | Naica
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