Mina Noche Buena, Noche Buena, Mun. de Mazapil, Zacatecas, Mexico

Pb₅Sb₄S₁₁

The hair like crystals of Boulangerite are straight and a very lustrous silver color. The longest crystal is approximately 1.7 cm long. The matrix is composed of grayish white crude Calcite crystals with a few scattered micro Pyrite cubes.

6.4 x 2.2 x 1.8 cm

Sold Specimen retained as part of the Minerals Sold But Not Forgotten Galleries