What is this?

mafioso3

Jr. Member
Oct 20, 2014
21
3
Primary Interest:
All Treasure Hunting
e1ee3bb8bed66ed067067d00fa7676fb.jpg
 

Looks to be a seam of pyrite or galena. Break a bit off and give it a scratch test. Also note if there is a sulfur smell when broken or crushed.
 

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