• Register

Information for users from the old Q&A site
If you have an account from our old Q&A site, your account was transferred over, but you need to reset your password and confirm your email address.
Reset Password here
Confirm Email here

2,211 questions

3,860 answers


76,356 users

Can anyone plz help me ID this rock I found in the ocean? It's black, heavy, smooth, slightly magnetic and round.

0 votes

asked Jun 19 by maggiec3 (140 points)

1 Answer

0 votes
Most likely basalt
answered Jun 21 by Weasel (58,160 points)