White cottony stuff is probably fiber glass insulation. It behaves like you
said.

"elliot gainway" > wrote in message
om...
> I used natural lump hardwood charcoal that I bought from Wild Oats
> Natural market for the first time and I found something strange in the
> ashes upon clean up. I was what looked like white cotton batting. I
> wondered why It hadn't burned up so I tried burning it with my grill
> lighter and it won't burn! It only glows red at the edges. Has anyone
> ever heard of natural hardwood charcoal being contaminated with
> asbestos? Someone told me that when hardwood charcoal is burned it
> produces a cotton like ash, could this be it? The substance feels like
> cotton and looks like cotton. Does anyone else use Wild Oates Hardwood
> Charcoal?