Let's Talk about Crystallization in the Naica Mine/5 - Gypsum Crystals in Both Caves
Wikijunior:Let's Talk about Crystallization in the Naica Mine
4 - The Cave of Crystals
5 - Gypsum Crystals in Both Caves
6 - Glass and Crystal
Why are the crystals different in size and number from one cave to another?
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