Sphalerite with Dolomite and Calcite

Áliva Mine (Las Mánforas Mine), level 3, Áliva mining area, Camaleño, Comarca Liébana, Cantabria  Spain (2006)

Specimen size: 5.8 × 4.4 × 4.2 cm = 2.28” × 1.73” × 1.65”
Main crystal size: 1.4 × 1 cm = 0.55” × 0.39”