Sphalerite with Dolomite

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

Specimen size: 6.4 × 4.4 × 2.9 cm = 2.52” × 1.73” × 1.14”
Main crystal size: 4 × 2.3 cm = 1.57” × 0.91”