SE told us in one of their patch notes, Sep. 11, 2017 I think?I'd be interested in what the actual floor is.
https://forum.square-enix.com/ffxi/t...l=1#post600427
the wording is goofy. I think it's probably 1 in 5 (20% loss chance) is the lowest you can go.
I suspect the reason we have access to more is either for materials that don't have the base 50% or so that you don't have to get *all* of it... (?)
XI Wiki

