Unknown rock

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Alan Balmer 5 years, 1 month ago

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January 24, 2018 at 4:33 pm #3877

mark
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@Mark

What this rock is I know it is not gem material I’m just curious it’s very porous gray ?

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January 25, 2018 at 2:58 pm #3880

Alan Balmer
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@alanbalmer

Looks like pumice.
https://en.wikipedia.org/wiki/Pumice
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