Sphalerite with Dolomite

Áliva Mine (Las Mánforas Mine), level 4, Áliva mining area, Camaleño, Comarca Liébana, Cantabria  Spain (2005)

Specimen size: 8.7 × 8.3 × 3.5 cm = 3.43” × 3.27” × 1.38”
Main crystal size: 5 × 4.7 cm = 1.97” × 1.85”