Thread: American Naturals?

I know this may be a rather naive question but I'm wondering if there are American natural stones that may be right under our eyes but ignored by the honing community. One of my other past hobbies was flintknapping and I've seen a lot of different native stones that are both extremely fine texured and hard. Of course there are the Arkansas stones (novaculite) but there are also many many other native cherts that just beg to be tried as hones. I'm thinking of stones like Indiana hornstone, Burlington chert, Texas chert, Flint-Ridge chert, etc. These range from fine texured to very fine to almost glass-like. Has anyone tried or heard about results from using these? I'm no geologist so I may be barking up the wrong tree entirely.
Edit:
(I just realized I posted this in the wrong place. Would a mod please move it to Hones? Thanks.)