I'm not all that great at identification, despite having a sizeable rock collection myself, but I feel pretty confident in saying that you've got a type of mica schist. Schists often are primarily composed of mica.
this post was submitted on 31 Mar 2025
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What is this thing?
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a better way to do it is post something like "look what a cool bauxit i found" and then just wait for them to angrily correct you 😄
the linux support strategy i see
"Rock"
Glassk
African Grey is the only bird that's made me want a bird.
As a kid, I got told that's pyrite, but I'm not sure how correct that is. Most images show the crystalline structure rather than brittle stone, but I was able to find this picture on Wikpedia:
It might be a schist?