I'm always looking for new ways to make fire. And the Pyrite + Flint method seemed interesting. So I bought some pyrite, but it was pretty horrible, small nuggets that barely held together. I couldn't get anything at all out of it, and I even tried doing it in the dark to make sure I wasn't missing it. I tried striking Flint/Steel style and grinding like some of the videos had. Nothing. Anyone out there with a successful fire from this stuff? Also what should I look for in the pyrite itself? Big chunks, small, etc.