You jest but a quick test to differentiate a lot of sedimentary mud rocks is to nibble a bit and feel it on your teeth/toungeSuck it and see...!
Queen false widow rock - my dad quarries them for a living.
Does vinegar suddenly stop working at night?
Get filming zippy!
It's pitch black down pond end !!!
Pick up said rock and transport it inside! Then, and only then will we be able to marvel at what you are about to show us![]()
Its a sack barrow jobbie and then how do I get it inside?
Dwayne Johnson.
Man up
l
That's a porous rock, it don't matter what it is you don't want it in your pond.
It wont be clean inside unless purchased from an aquarium shop.why not?