This stone cracked on me, looks like it was about to break into 10+ pieces. Had only recently bought it also. I googled and found it was fairly common. I bought a tube of epoxy and some shellac and epoxied it to some tile...its not flat but has a lot of ridges. I was going to go with flat but the guy at the hardware store convinced me it wouldn't adhere. So its glued pretty well and I epoxied the sides.
I mean it seems to be working well however I don't know how long term this solution is. I am hesitant to leave the whole thing permasoaking because I don't think the epoxy is meant for that. Anyone else found a good solution for this?