[email_address] The bigest natural crystals on earth, has been discovered in a silver mine, near Naica, Sonora, México. Reach lengths of 50 feet, crystals are formed by selenite, a crystalline form GYPSUM MINE
[email_address] Naica the mine is known for its special glass, weighing up to 55 tons, Camera containing these crystals, is known as the Cave of the giants, and this Approximately to 1000 feet from the surface. In Naica were found cistales as large as 4 feet in diameter and 60 feet long. The crystals were formed by hydrothermal fluids emanating from the magma chambers of the Deep. The cave was discovered when miners drilling through the fault of Naica, PROCUP by the flooding of the mine.
[email_address] As a photographer used to working in dark and dangerous environments, this experience was unique, a man can run in this environment for six to ten minutes before it occurs a severe loss of mental functions
[email_address] The minimum temperature prevailing in the interior of the cave is 66 ° C and a humidity of 100%
[email_address] The owners of the mine and local government are considering a tourism attraction of the place, which need to ventilate the caves with air conditioning, so that people can access without risk to health.
[email_address] Gradually reducing the heat will be no damage to the windows
[email_address] The underground water of these caves, rich in sulfur deposits from the adjacent metal, began to dissolve the walls of limestone, releasing large amounts of calcium. The calcium in turn will combine with sulfur to form crystals on a scale never before seen by humans