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A neat piece of epithermal quartz vein with tiny chalcopyrite oxidizing into malachite. Iceland.

22 points · submitted Aug 2026 by u/spartout

2 comments · 92% upvoted · source · other discussions

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Altruistic_Test6899 1 points · Aug 2026

Wow, that's beautiful. I really need to get to iceland some time

Nobody_sPoet21 1 points · Aug 2026

Hey OP, which one is chalcopyrite and which is malachite?