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2,138 questions

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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)