Before it was a Amethyst mine, the Humming Bird Mine was an abandoned copper mine from the late 1890s.
Here is a "copper-based" specimen of bladed Chalcopyrite, Hematite, Malachite, and very gemmy green Fluorite. There are a BUNCH of photos of this crazy-cool specimen...
#copper #chalcopyrite #malachite #fluorite #Colorado #hummingbirdmine





