Sphalerite with Dolomite

Troya Mine, Mutiloa, Comarca Goyerri, Guipúzcoa / Gipuzkoa, Basque Country (Euskadi)  Spain (±1985)

Specimen size: 7.7 × 4.7 × 3.3 cm = 3.03” × 1.85” × 1.30”
Main crystal size: 0.5 × 0.4 cm = 0.20” × 0.16”