Sphalerite with Dolomite

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

Specimen size: 4.2 × 3.9 × 2.3 cm = 1.65” × 1.54” × 0.91”
Main crystal size: 3.2 × 2.5 cm = 1.26” × 0.98”