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Posted in response to Rock that glowed at night from Sonya on May 05, 2008 at 08:02:28:

Re: Rock that glowed at night

There are several species of small worms that will emit a soft glow. Most are common in the southern caves of the US. Usually best to witness non-cave dwellers on a moonless night. I suspect that if you had collected a piece of this glowing "rock" that it would have stopped after drying out. To bad you did not have a hand lens with you at the time or I am pretty sure you would have solved your own mystery. As far as rocks that glow in the dark if this was a radioactive deposit with levels sufficeint to glow that it would have been identified by the survey people long ago. Also some types of fungus can also genrate this effect.We get theeffect here in New England during the summer months when out boating. The wake glows from the turbulence and also several Jellyfish types have little built in "neon signs" that pulsate when disturbed. Keep on rockin and watch out for the glow-worms!

From Don Mello - May 06, 2008 at 08:02:01
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Bob Keller