Wow these stones are beautiful. As a student of agriculture, I’ve read about rocks several times so I was actually reading through thinking that I’ll see something familiar to talk about.
Unfortunately these minerals are beyond my common knowledge of rocks. But I’ve seen few igneous rocks that I’m familiar with, just that they look a bit different (pure).
But they’re all beautiful. The prices though 🫢
I think you may studied of other types of rocks. These are semi precious or so, used for jewellery. I'm not really familiar with them either but learning slowly.
Yeah these ones look like the ones in jewelries.
The ones I read in school is more of the soil forming types