importantSYS.SOURCE: Wikipedia• 2026-08-08T12:55:23Z
Giant Selenite Crystals in Mexico's Naica Cave
The Cave of the Crystals in Naica, Mexico, contains the largest natural selenite crystals ever discovered, with some measuring 11.4 meters. These gypsum formations developed over 500,000 years through unique geological processes involving magma-heated water and mineral precipitation.
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