Have to ask that you take some close up individual pics of the array you have as I'm not sure what to say about most of them~ one looks like a zircon, two look like agates the bigger on in the lower right a very nice one and the darker pieces?? the thin one upper right looks like barite but could be something else. your water worn bit is mostly quartz with feldspar *the square looking stuff* so I'd have to guess its a pegmatite in origin. Your area is good for glacial deposits so the wear may be from that as well.