Originally Posted by
DaveW
I can't comment on the breaking, but in my opinion, it is always nice to glue a stone to a base, unless you have a reason to use it hand held and want to get to both sides.
The only stones I don't glue to a base are the ones that are so large that they're like having a stone with a base, anyway.
(just make sure that whatever base you affix to them, it's something that won't flex with changes in temperature or water/humidity).