Geodes and nodules
Round rocks that are more interesting inside than out. Learning to tell a hollow one from a plain cobble without breaking every rock on the bar is most of the skill.
4 entries, each with field marks, look-alike tells, and what the collecting rules actually say.
Find geodes and nodules near you
RockHoundR maps real collecting spots, what each one produces, and the land status, so you know before you drive.
