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 ...

Many of the giant selenite beams that crisscross ... especially as gypsum is an especially soft mineral. In fact, the crystals in the Naica cave are so soft you could scratch them using your ...

Naica’s Crystals Cave, maybe the most amazing underground wonder on Earth ... maybe the only way to visit once it is no longer accessible due to the end of mining activities. Giant crystals The ...

This is a photo-composite showing at left giant gypsum crystals up to 11 meters long in the Cave of Crystals, Naica, Chihuahua, Mexico, and at right tiny assembled bassanite nanoscrystals just ...

Previously, the world’s largest examples of selenite crystals came from a nearby cavern discovered in 1910 within the same Naica cave complex. Several examples from the Cave of Swords are ...