Mexico

Naica Mine

Written by Unknown World

The Naica Mine of the Mexican state of Chihuahua, is a working mine that is best known for its extraordinary selenite crystals. Located in Naica in the municipality of Saucillo, the Naica Mine is a lead, zinc and silver mine operated by Industrias Peñoles, Mexico’s largest lead producer. Caverns discovered during mining operations contain crystals of selenite (gypsum) as large as 4 feet (1.2 m) in diameter and 50 feet (15 m) long.

Naica Mine 2

Cave of the Crystals

The Cave of Crystals is a cave approximately 1,000 feet (300 m) below the surface in the limestone host rock of the mine. The chamber contains giant selenite crystals, some of the largest natural crystals ever found. The selenite crystals were formed by hydrothermal fluids emanating from the magma chambers below. The cavern was discovered while the miners were drilling through the Naica fault, which they were worried would flood the mine. The caves are closed to the public.

Naica Mine 3

The Cave of Swords

The Cave of Swords is another chamber in the Naica Mine, also containing gypsum crystals but each only about a meter long.

Naica Mine 4

About the author

Unknown World

Hello, my name is Mike! I am the founder of Unknown World, aiming to bring as much information about our planet to one place for everyone to see!

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