mtl PSEUDOMALACHITE on QUARTZ DRUZE on PYROLUSITE on QUARTZ, Black Pine Mine, Flint Creek Valley, John Long Mountains, Philipsburg, Granite County, Montana, 2 x 1.5 x 1 cm, Thumbnail | |
This was from an old accumulation in Montana of Black Pine Mine specimens. There is a black Pyrolusite coating on a terminated Quartz crystal. The Pyrolusite is covered with druzy Quartz and then green spheres of Pseudomalachite pepper the surface of the druze. |