Sphalerite with Dolomite

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

Specimen size: 5.8 × 4.2 × 4.1 cm = 2.28” × 1.65” × 1.61”
Main crystal size: 3.9 × 3.8 cm = 1.54” × 1.50”