Sphalerite with Dolomite

Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria  Spain

Specimen size: 4.7 × 4.2 × 3.7 cm = 1.85” × 1.65” × 1.46”
Main crystal size: 1.5 × 1.3 cm = 0.59” × 0.51”