[thinking]
Hmm, some kind of crystal aggregate, formed by precipitation from a solution
... doesn't look like quartz ... maybe gypsum or feldspar ...
reads thread ..
Kidney stone ha! as if! Snort!
reads ...
OWWWWMYGAAWWWWWD!!!!!!!!!!
Roughly what is the size of that thing??
Damn, that is sooo sharp and pointy.