MAGNETITE and CHALCOPYRITE - Mineral Hill Mine, Carroll County, Maryland, USA
Iridescent colorful Chalcopyrite on black Magnetite.
this copper and iron mine - beginnig before time of American Revolution and later with the Tysons - was abandoned
Measures approximately 1.75 x 1 x 1 inch, 1.74 oz / 44 x 25 x 25 mm, 49g
Item # A0051016