First timer

I completed my first flush last week and got out a lots [25] of very hard green brown stones that were about 3/4inch plus lots of gravel. These stones still have not melted, indicating tome they are stones, not oil. I am planning to flush again in several weeks as I sense there are many more to come out. But my question is, how does one know if I have lots of 3/4 inch stones or one massive large stone as is shown in some pictures? A large stone could not be passed could it? I am doing David Jubb's flush: eating raw live soups, taking 30 ortho-phos drops 3x per day in addition to malic acid and flushing with olive oil and lemon juice. Supposedly the Ortho-phos and malic acid and apple juice help soften the exterior of the stones, but can they soften even a massive stone making it passable? Can anyone dispell this anxiety?

Thanks, CAT Tweet