also known as the Giant Crystal Cave, is a cave connected to the Naica Mine at a depth of 300 meters (980 ft) in Naica, Chihuahua, Mexico. It takes the form of a chamber within the limestone host ...

In January 2006 Speleoresearch & Films and the Team la Venta started a three year exploration campain to discover the Naica cave ... suits to “crystal-friendly” boots, in order to guarantee a long, ...

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But in a few caves ... crystal formations could be found any day." Previously, the world’s largest examples of selenite crystals came from a nearby cavern discovered in 1910 within the same ...