green stool cause ?

I have gallbladder troubles now (52) so I have to monitor and they are bright yellow (gall bladder blocked), golden, bright green (ate cole slaw which is bad for gall stones) and today dark green...but I ate a bunch of blueberries and I am now taking Cipro...so, I can only share my experience...I am not sure if I should be worried or not...I imagine my bile flow is all messed up and food is affecting it, so maybe bile is just over secreting after a gall stone is out of the way... Gall stones occur in young people 20ish and over 40 (mostly women). The pain on my right side comes and goes and is just dull right now.

When I have green it is usualy because I have had high volumes of iron. Eating any foods with high Iron in it?

-Del