Sphalerite with Dolomite

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

Specimen size: 4.2 × 3.3 × 2.9 cm = 1.65” × 1.30” × 1.14”
Main crystal size: 3.1 × 2.7 cm = 1.22” × 1.06”