Sphalerite with Dolomite and Calcite

Áliva Mine (Las Mánforas Mine), level 4, Áliva mining area, Camaleño, Comarca Liébana, Cantabria  Spain (2006)

Specimen size: 3.7 × 3 × 1.8 cm = 1.46” × 1.18” × 0.71”
Main crystal size: 2.2 × 1.8 cm = 0.87” × 0.71”