Pyrite with Quartz, Calcite, SphaleriteOur of the Earth Category will be updated at the start of every month. This mineral was added in November 2019. Nature is so beautiful and I was completely taken aback by this mineral formation, the dark copper brown hues are just so rich on this piece. She is covered in quartz, but instead of quartz points, these are nice and round, almost gem like. Even the back of this one is pretty, the entire backside is shiny sphalerite. This is really a