Sphalerite with Dolomite

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

Specimen size: 3.6 × 3.3 × 2.3 cm = 1.42” × 1.30” × 0.91”
Main crystal size: 1.9 × 1.6 cm = 0.75” × 0.63”