This is a really neat specimen of banded Rhyolite with 2-5mm seams of platy blue crystalline Bornite. This piece actually gave us the idea for an Ore Specimen Special Edition and is just a really interesting piece! Unfortunately I couldn't find any good resources on this particular mine, but I'm sure it's out there somewhere and I'd definitely be interested in the geologic processes that formed a mineralized banded Rhyolite like thi