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Old 02-13-2010, 11:40 AM   #31
Willy
Senior Member
 
Join Date: May 2008
Location: La Jolla
Posts: 189
It's pumice. Sorry guys.

If it were formed within an animal, the striations would be in a concentric form, not stacked in sedimentry layers as the rock in the picture.

Think about an object formed in the space of an organ, the layers would build around a nucleus, like a hailstone or comet, or gobstopper.

Then look at the lines in this rock. If it is from a whale, it is a small piece of a super sized nugget.

Cool find Sherm! Too bad you couldn't pick it up anyway, you'd have scrubbing stones for life.

Nice bugs too!

Willy
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