https://owlcation.com/misc/Understanding-Gold-Purity
CASPER-2 Gold Member Jan 3, 2012 17,159 19,973 NEW ENGLAND 🥇 Banner finds 1 🏆 Honorable Mentions: 6 Detector(s) used WHITE'S XLT, PI PRO, GARRETT 2500, 3- FISHER CZ21s, JW FISHER 8X Primary Interest: All Treasure Hunting Mar 4, 2020 #1 https://owlcation.com/misc/Understanding-Gold-Purity Upvote 0