Is This A Rock? in Rocks, Minerals, Gems & Geology Posted May 22, 2019 This was in the first batch of rocks I tumbled last month. It looks more like something crystalized over a metal object. Any ideas?
Is This A Rock?
in Rocks, Minerals, Gems & Geology
Posted
This was in the first batch of rocks I tumbled last month. It looks more like something crystalized over a metal object. Any ideas?