Sphalerite with Dolomite

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

Specimen size: 11.3 × 10 × 8.8 cm = 4.45” × 3.94” × 3.46”
Main crystal size: 5.7 × 5.2 cm = 2.24” × 2.05”