As requested by @zpnrg1979@lemmy.ca – post pictures of rocks. We will try to identify them.

Note that copy/pasting pictures works in the comment field, assuming you’re on the website. How it works in the multitude of apps – dunno ;)

  • 908musdf@lemmy.one
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    1 year ago
    There is tourmaline in the same unit (I've seen some schorl), but these are...

    piemontite!