Sphalerite with Dolomite and Calcite

Áliva Mine (Las Mánforas Mine), Áliva mining area, Camaleño, Comarca Liébana, Cantabria  Spain (±1990)

Specimen size: 7.8 × 4 × 2.8 cm = 3.07” × 1.57” × 1.10”
Main crystal size: 2 × 1.6 cm = 0.79” × 0.63”