[Geology2] Re: hot rocks

Question about serpentine. Does it contain asbestos and how will that be affected by heating?

--- In geology2@yahoogroups.com, "decrepidoldman" <decrepidoldman@...> wrote:
>
> thanks for the advice on rocks for a sweat lodge. the main concern is that they don't explode when being heated. i think serpentine would be a good bet too.
>

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