9NH11: Crystal of Sphalerite with very marked parallel and polycrystalline growths, with the predominant forms of the tetrahedron with slight curvatures on the faces and edges, completely transparent and lustrous, with an excellent caramel color and with remnants of small white Dolomite crystals. This piece comes from some small-scale finds made in the mine after it had already closed. There is currently no more access to the galleries.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Picos de Europa massif, Camaleño, Comarca Liébana, Cantabria  Spain

Specimen size: 2.7 × 2.2 × 1.5 cm = 1.06” × 0.87” × 0.59”