Where is a good place between missouri and texas to find crystals? don't want to come home empty handed

Question

Vacationing soon and we are traveling down into Arkansas, Missouri, Oklahoma. I want to bring home some gems! Quartz or such. Don't suggest the salt flats in Oklahoma. They are closed indefinitely due to a government mess up. anywhere else would be appreciated! I do not want to go and spend the $$$ and not actually find something.

Answer 1

get diamonds near Murfreesboro in Arkansas

only diamond mine in N.A. that is free to public