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 ;)
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 ;)
There is tourmaline in the same unit (I've seen some schorl), but these are...
piemontite!