• 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

2,138 questions

3,737 answers

1,057 comments

16,328 users

after the rains in northern ca, these have washed down from mountain behind my house,wondering what are they?

+1 vote

asked Apr 20, 2017 by westmusic (130 points)

2 Answers

0 votes
Looks like malachite
answered Apr 26, 2017 by Weasel (55,310 points)
0 votes
I agree with Weasel that they look most like malachite. That would be an interesting discovery for Northern California. I would recommend having them inspected as well as having someone knowledgeable look at the locality. You may have a unique discovery worth further exploring.
answered Jun 21, 2017 by hershel (51,320 points)
 


...