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[+] [S] -27 points 4 weeks ago (5 children)

I think you might be smoking crack.

The ideal natural rock for fire stuff is pumice

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  • [–] 6 points 4 weeks ago (1 child)

    No, natural pumice holds moisture which turns to steam under heat and explodes from the pressure.

    The only safe pumice is manufactured bricks made from pumice.

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  • [–] 3 points 3 weeks ago

    We used to do this at the house of a fellow youth organization member. They had a fire pit, lava rocks in the topiary beds, and a pool. We'd soak some rocks and then throw them in the fire. It would make a loud pop and we'd all laugh about how funny the "ash" felt when it hit us. And then one of the kids started screaming...

    Fortunately, he only got a tiny piece in his eye, but the homeowners were like, "it's harmless fun, that happens sometimes." We stopped having gatherings at that house.

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  • [–] 5 points 3 weeks ago

    I've only seen pumice stone used in (sheltered) gas fireplaces, idk I'm not really that much of an expert, I was told what I put in the comment when I was a child and brought some rocks for a fire pit my uncle was building and he said 'No! Those will explode, look for some like these or these' pointing to some granite and a big quartz (or quartz-like, I ain't no geologist) chunk. The couple dozen (at least) times I've done it without an incident and a quick web search I've just done confirm that my folk knowledge is right.

    I think you might be smoking crack.

    That was absolutely uncalled for, Steve.

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