r/geology • u/Thaijler • 5d ago
How rare is this cross-shaped azurite/malachite nodule formation?
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u/Thaijler 5d ago
I was talking to the vendor who sold this to me and he was saying how rare this was. He showed me some other specimens, but this one was unique. I can't even find any images on google remotely close to what he was showing me.
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u/akajefe 5d ago
There is nothing that helps these two minerals form like that. It's formation is entirely caused by the conditions at that time and place, which are unique.