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From the core they took from one large, fallen crystal, they think the cave is as old as 1/2 billion years. The one scientist who did the dating stated that the crystals grow about 1.5 mm per 1000 years.They kept trying to gain access to a tight passageway deep within the cave. There was a definite draft of air in the passage, and they suspect there's more chambers beyond. Whether or not they hold giant crystals remains unknown.
Actually I had forgotten. Interesting show. The cavern was found in a mine in Delicias, Mexico after the water was pumped out of a cavern. Al
WOW !!!...amazing, wish you had more info on that TJ.
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