I don't know if it is any use to you, but my first stone passed spontaneously, before I'd heard of flushes or Humaworm.
It was the size of a pullet egg (1 1/2 inches?), very smooth, and black, flaked with Kelly green.
I have never seen any pictures anything like it, nor read of another the same...although I have read of much larger stones, in rare cases.
What caused this first stone to pass spontaneously? I'm not sure but it was likely the very large salads with lemon or lime juice and EV olive oil...plus a 3 1/2 hour, slightly bumpy drive, sleeping with my head lolling forward. ...My ribcage massaging the area.
There was no pain, only a moment of nausea when I knew I seriously needed the bathroom.
The movement was distinctly two toned, with the stone between yellowish and orangish, fluffy stool. I only glimpsed it for a moment because I flushed too soon, not expecting anything unusual.
I also have read that green apples contain enough malic acid to break stones, and there is one herb that I tried only once, to break subsequent large stones, but it seemed to dry my system so much that I got scared and stopped.
It is my belief that our ducts will stretch enough to accomodate whatever is there.
If a person is older, maybe their tissues are not as flexible, I don't know.
Too, I find that the body will only 'let go' of toxins as it can handle them. I've had some strange 'surprises' that no one else mentions. I don't know why.
And I'm only guessing, but I suspect that whole and unpolluted minerals that have been through plants is the nutrition we need. Then, our bodies can do wonderful things.
There are three sources of whole minerals I am counting on right now.
The first is whole mineral salts which come from the residue of ancient dried up oceans. The ones I bought are from http://www.heartfeltliving.com
They seemed to work amazingly, and unexpectedly, in the two footbaths I did.
In fact, we are doing our first full detox baths tonight.
The second is home-grown fruits and veggies grown on soil that has lain fallow for a couple of years, and is unpolluted.
If weeds and grasses cover the land, the vital soil micro-organisms have time to extract enough minerals from the sand and stones in the soil and will carry them to plant roots. Weeds and grasses are important to protect soil micrp-organisms and draw up moisture from deep below.
Tree-grown foods may be extra good for us.
The third source I have only read about...glacier milk. Thats the murky mineral-rich water that seeps out from under glaciers.
I am also going to make sole (so-lay) with the mineral salts and water because it has a little quartz grit in it. Likely I will start with one drop in a glass of water...and work up to one teaspoonful per day, depending on how my body likes it. And, use the sole to sprinkle on my food, without the grit.
In the best of all possible worlds my body will respond to these complete minerals, 'balanced' by plants, and work the events I hope for.
None of this is suggested by R.G. It's all my own thinking and guesses. So, don't take my word for it...follow your own best intuition and thinking.
You'll hear from me what my results are, if you keep reading this forum.
P.S. I'll be doing my first liver flush, plain, as suggested at http://www.humaworm.com
within the next few days.
Think of me will you, please?