The Naica mines are located in the State of Mexico named Chihuahua. The mines are working mines and are best known and recognized for its extraordinary selenite crystals. The municipality of Saucillo is located in Naica and the Naica mines are lead, Zinc and silver mine operated by Industrias Penoles which is Mexico’s largest lead producers. These caves of crystals are approximately 1,000 feet which is equal to 300m below the surface in the limestone host rock of the mining area. This chamber of crystals contains giant selenite crystals which are the largest crystals ever discovered in the history. The selenite crystals were developed and formed by hydrothermal fluids emanating from the magma chambers whereas when the carven was discovered, the miners were drilling through the Naica fault it made them curious as it would flood the mine area.
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