Sphalerite with Calcite

Áliva Mine (Las Mánforas Mine), level 2, Áliva mining area, Camaleño, Comarca Liébana, Cantabria  Spain (±2012)

Specimen size: 4.2 × 3.1 × 1.9 cm = 1.65” × 1.22” × 0.75”
Main crystal size: 2.7 × 1.8 cm = 1.06” × 0.71”