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2,141 questions

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16,582 users

What is this black rock?

0 votes

I found this in Lithuania, Klaipeda beach in a chill day.

asked Sep 12 by zZap (120 points)

3 Answers

0 votes
Metal ore, maybe nickel. A pawn shop or jeweler or even a lapidary at a rock shop can tell you more accurately. They mine a bunch of metal there.

I would say the outer rock is basalt.
answered Sep 16 by Weasel (55,470 points)
0 votes
It looks a little bit to structured to be obsidian. Is it magnetic?
answered Sep 18 by linkisnotzelda (4,890 points)
0 votes
Can you post some more close-up photos? And any way to test the streak?
answered Oct 17 by hershel (51,320 points)

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