What kind of rock or mineral is this
J John mincks Tenderfoot Nov 15, 2020 5 2 Primary Interest: All Treasure Hunting Jan 30, 2021 #1 Amazon Forum Fav 👍 Diving for Pleasure and Treasure - Grab it through Amazon! Upvote 1
xaos Bronze Member Jul 3, 2018 1,063 2,302 Primary Interest: All Treasure Hunting Jan 30, 2021 #2 chert concretion