- BEM-43
- Guanajuatite
- Santa Catarina Mine, Rancho Calvillo, Santa Rosa, Sierra de Santa Rosa, Mun. de Guanajuato, Guanajuato, Mexico
- Thumbnail, 2.4 x 1.4 x 1.1 cm
- SOLD
A small specimen of this very rare bismuth selenide species from the Type Locality. Year of Discovery: 1873