Found in South Carolina need help identifying any minerals present. Sulfides??

[JackCarter89]

 

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[BoulderTroll]

It's hard enough to identify what minerals are in a rock that you're holding in your own hands. And about 100 times harder if it's pictures of a rock in someone else's hands....
You're best off asking a local geologist at a college or university. Or crushing it and seeing what your pan tells you. Good luck!