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The world's biggest cristals
It is nicknamed the “Sistine Chapel of the Crystals”. Located 300 meters underground, the crystal cave of the Naica Mine, northern Mexico (North America), is a very surprising geological site. The cave containing giant crystals of selenite, a variety of transparent gypsum. These crystals were created over several millennia and are the largest set of crystals in the world. The largest of them reaches 11.4 meters in height. Photo credit: Javier Trueba
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