Sphalerite with Dolomite

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

Specimen size: 7 × 5.5 × 4.4 cm = 2.76” × 2.17” × 1.73”
Main crystal size: 2.2 × 1.6 cm = 0.87” × 0.63”