Sphalerite, Dolomite

Troya Mine, Mutiloa, Comarca Goyerri, Guipúzcoa / Gipuzkoa, Basque Country (Euskadi)  Spain (1990)

Specimen size: 4.3 × 3.5 × 2.3 cm = 1.69” × 1.38” × 0.91”
Main crystal size: 0.3 × 0.3 cm = 0.12” × 0.12”