In my many travels in the mining world I have seen 1 piece of clay. Maybe I just need to look harder... Sent from my SCH-I535 using Tapatalk 4
Hardcore Star Trek fan here btw. Couldn't help but notice that obvious Star Trek reference to Darmok Didn't realize you were a fan...
Just FYI: Sand isn't completely worthless. You can smelt it into glass or combine it to make smoothstone and it has a $$ value again. Gravel on the other hand..