MN Rocks and Minerals

[@carrollbritton7995]

Am I the only one who sees a pun about 'Another Mn rock,is MN GNIESS...(NICE)

[@19741129ryasaf]

Hai I am from Sri Lanka I have a lot of black this stone

[@Avant_gardens]

I have a metamorphic personality 🤪

[@GreenCanvasInteriorscape]

Avant Gardens was the name of the interiorscaping business I bought 30 years ago.
Doesn't look like you're Bob who I bought it from though
Happy plantings

[@louiechristianbermas49]

Can you help me if what kind of rock that I fond