Description
These boulangerite crystals are from Noche Buena Mine, Noche Buena, Mazapil Municipality, Zacatecas, Mexico. This locale contains 23 known different mineral species including the sulfide boulangerite. It contains the elements Pb, Sb, and S. This specimen contains several sulfide minerals including boulangerite, pyrite, and arsenopyrite. It also has minor quartz and calcite crystals. The boulangerite crystals are hair-like with a metallic luster and steel-gray color. This piece measures 2 3/16 x 1 7/8 x 1 3/8 inches or 54 x 47 x 35 mm
