Sphalerite with Dolomite

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

Specimen size: 5 × 3.6 × 3.6 cm = 1.97” × 1.42” × 1.42”
Main crystal size: 1.7 × 1.4 cm = 0.67” × 0.55”