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I need help IDing a rock. It's black, smooth, heavy, slightly magnetic. I found it in the ocean in Florida.

0 votes

asked Jun 17, 2019 by maggiec3 (120 points)

1 Answer

0 votes
It is most likely basalt.
answered Jun 21, 2019 by Weasel (58,980 points)
Weasel, basalt isn't magnetic. Further, Florida doesnt have any nearby basalt. It's definitely a mystery piece.
 


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