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Hello. I found this rock at a thrift shop. It looks like it might be lava rock. (Sorry for the bad photos... the color looks like the darker picture rather than the close ups)
Did you ask the thrift store if they knew anything about it to have put it for sale
To rule out pumice drop it in a bucket of water,if it doesn't float it's not pumice.
To rule out pumice drop it in a bucket of water,if it doesn't float it's not pumice.
AKA...Oregon's "Mysterious Floating Rock"
Usually pumice is a gray-white color.
No I didn't. I found it and a piece of amber that I bought with a bunch of rocks... I think whoever donated them was hunting for rocks. There was also a trilobite fossil that I didn't buy.