easy, just make sure you are next to a volcano
pumice
Pumice
how did pumice get here
Pumice is nonmetallic.
yes
Pumice is a natural material from a volcano, so you can't make it at home. You can buy pumice as a brick in a hardware store.
Pumice powder is ground up pumice stone. Once it's been ground up it's not possible to turn it into a stone again. However if you were attempting to use it as an exfoliator, you can add enough oil (sunflower, olive etc... something bland) to blend it into a paste to use as an exfoliant.
yes they make their own home which is a nest.
It is abrasive, metals in pumice are not water soluble, naturally occurring substance http://www.wisegeek.com/what-are-the-uses-of-pumice.htm
pumice
Pumice is an igneous rock. Pumice is formed by hot lava filled with gas cools quickly and forms.
It's a rock.
Porous lava rock is called pumice. If placed in water, it would float as it possesses a density that is less than water.
yes
yes
Pumice
Pumice can be white, gray, or even pink.