K Knorred47 New Member Joined Apr 21, 2024 Messages 1 Apr 21, 2024 #1 This rock pinged on my metal detector but is lightweight and not magnetic. Was wo derived g if anyone had an idea what it is Attachments 20240421_183947.jpg 165.9 KB · Views: 24 20240421_184031.jpg 206.8 KB · Views: 17 20240421_184140.jpg 162.5 KB · Views: 19
This rock pinged on my metal detector but is lightweight and not magnetic. Was wo derived g if anyone had an idea what it is
mudwhale Elite Member Joined May 8, 2017 Messages 1,240 Location At my computer in CT Apr 22, 2024 #2 Burnt coal clinker.