NA27AL9: Complex crystals of Sphalerite on a Dolomite matrix. The crystal is transparent, lustrous and with an intense and lively honey color. With contacts but no damage. Small parts of the back of the matrix have been cut to reduce the size of the specimen without damage to the crystals.
Áliva Mine (Las Mánforas Mine), Áliva mining area, Picos de Europa massif, Camaleño, Comarca Liébana, Cantabria  Spain

Specimen size: 7 × 5.5 × 4.4 cm = 2.76” × 2.17” × 1.73”

Main crystal size: 2.2 × 1.6 cm = 0.87” × 0.63”