Sphalerite with Dolomite

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

Specimen size: 10 × 8.7 × 6.1 cm = 3.94” × 3.43” × 2.40”
Main crystal size: 2 × 1.5 cm = 0.79” × 0.59”