Sphalerite with Dolomite

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

Specimen size: 5.5 × 4 × 3 cm = 2.17” × 1.57” × 1.18”
Main crystal size: 2 × 1.6 cm = 0.79” × 0.63”