The Cave of Crystals, 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 ...
A stunning underground cavern, hailed as the “Sistine Chapel of crystals ... giant gypsum crystals to form from a mineral called anhydrite. Nevertheless, whilst conditions in the cave ...