It’s relatively interesting, especially when you concentrate on it’s non-porous cousin, obsidian, has also found extensive use by humans and has a very equivalent chemical framework. I actually like pumice because, on to start with sight, it doesn’t look like A lot. It’s brittle and untastefully mild for the stone. https://bookmarkfox.com/story4148066/the-single-best-strategy-to-use-for-poultry-bedding-suppliers