Mar 27, 2007 9:51 AM

Giant selenite crystals

Some of you may have seen these photos….they have been circulating via e-mail over the last few weeks. Pretty amazing….probably the largest selenite (CaSO4·2H2O) crystals found, i’d imagine. Miners discovered them in Naica Mine, Chihuahua, Mexico. Note people for scale in photos.

Some of you may have seen these photos....they have been circulating via e-mail over the last few weeks.

Pretty amazing....probably the largest selenite (CaSO₄·2H₂O) crystals found, i'd imagine. Miners discovered them in Naica Mine, Chihuahua, Mexico. Note people for scale in photos.

Brian Romans is a geoscience professor fascinated by the forces that shape our dynamic planet. He has authored numerous peer-reviewed papers about sedimentary systems and has written for EARTH Magazine. ... Read More

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