Atacamite
Dyke Park, Stamford, Fairfield County, Connecticut, USA
2.6 x 2.1 x 1.7 cm
This is the only specimen of this material that I've seen. It features green Atacamite in slag from Stamford Harbor, Connecticut. I can only find a small amount of information about this area, but an article by Bill Henderson was written in a 1967 issue of Rocks and Minerals entitled "A Copper Analog of Laurium, Greece". Some ...
© Brian Kosnar - Mineral Classics