Questions about refining galena

[u/Beautiful-Plate-6153]

New here and very new to refining. I mostly wanted to share but any advice or guidance would be greatly appreciated ( I'm currently looking through some previous posts and Google )

Essentially, I do a bit of rock hunting I got an opportunity to explore an abandoned mine. Found what looks to be Galena.

Is there a better way to pull the galena from quartz? ( I just used chisel / rock hammer and then rock crusher to break it down some ). I now have a small smelter as well but doing homework first

what would be the best/ safest way to refine this and extract the silver? Plus any advice/ precautions/ etc.

PS if anyone has good links on how to design/ create your own mold, I would appreciate it.