For sale is an uncommon specimen of boulangerite on pyrite from Yindu silver mine, Bayan Obo, Inner Mongolia. This is a little know locality, but has produced
a few very interesting specimen. This boulangerite is reminiscent of some Mexican specimen, but rest assured this is Mongolian. The radiating sprays make a flashy and visual impact, the
white flashes in the pics are actually reflections of the surface. There is actually a well formed, complete sphalerite crystal sitting among the boulangertite crystals. There were only a handful of these found,
YINDU SILVER MINE, BAYAN OBO, BAOTOU LEAGUE, INNER MONGOLIA, CHINA.
40 x 23 x 21mm