By bathstone I assume you mean Pumice which is a volcanic rock with bubbles of gas trapped inside. And yes, it is usually porous
Some basalts can be quite porous, others may be non-porous.
Yes it is a porous rock.
Porous and Non-Porous
All marble is porous by nature.
A porous bag is a bag that has small holes in it, allowing the powders or leaves or whatever is inside it to come out. A tea bag is a porous bag.
There are two types porous and non porous. You can also seel porous concrete to make it non porous.
There are two types porous and non porous. You can also seel porous concrete to make it non porous.
There are two types porous and non porous. You can also seel porous concrete to make it non porous.
Silk is porous -- it absorbs liquids.
Metal is not porous. Many other elements are porous though and when metal combines with them it can potentially become porous.
more porous
The story proved to be quite porous. Lava is a porous rock.
All natural store is porous and needs to be sealed. Travertine is the most porous over marble and granite
A sponge is very porous.
As porous as a sponge. :P
Some basalts can be quite porous, others may be non-porous.
Gunite is a type of sprayed concrete, and is basically as porous as concrete is.