Sphalerite with Dolomite

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

Specimen size: 4 × 2.9 × 2.3 cm = 1.57” × 1.14” × 0.91”
Main crystal size: 2.2 × 2.1 cm = 0.87” × 0.83”