Sphalerite with Dolomite

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

Specimen size: 3.9 × 3.6 × 2.8 cm = 1.54” × 1.42” × 1.10”
Main crystal size: 2.5 × 2.5 cm = 0.98” × 0.98”