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Posted in response to Charcoal look a like rock? from John Tinsley on June 13, 2008 at 08:09:22:

Re: Charcoal look a like rock?

It is difficult to tell from the photos, but your rock appears to be shale. It should be fairly soft, and easy to scratch with the tip of a knife. Normally, it would smell like mud when wet, but after being in sea water I am not so sure about that.

The shape would result from tumbling in the surf.

From Don Peck - June 14, 2008 at 08:09:01

Message: 66613

Message Index Start New Topic Photo Gallery FAQ and Use Tips Bob's Rock Shop

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