Sphalerite with Calcite and Dolomite

Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria  Spain (±1991)

Specimen size: 4.8 × 3.7 × 2.6 cm = 1.89” × 1.46” × 1.02”
Main crystal size: 4.4 × 2.1 cm = 1.73” × 0.83”