Datolite
Cape Mine, Mosquito Mining District, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA
This specimen of datolite is from another of the fissure deposits on the Keweenaw Peninsula; the Cape Mine, located in Keweenaw Co., MI. The specimen exhibits a translucent greenish/white colour, depending on how the light catches it. The specimen was discovered in 2002 and while the Cape is known for excellent copper crystals, some datolite is ...
© Paul T. Brandes