Silicified bone?
W Whiplash016 Full Member Feb 4, 2018 101 45 Primary Interest: All Treasure Hunting Nov 19, 2018 #1 Amazon Forum Fav 👍 Minelab PRO-FIND 35 Waterproof Pinpointer Metal Detector for Experts with Tone ID & Adjustable Sensitivity - Grab it through Amazon!
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Kray Gelder Gold Member Feb 24, 2017 7,013 12,578 Georgetown, SC Detector(s) used Fisher F75 Primary Interest: Metal Detecting Nov 19, 2018 #2 I don't think so.