Sphalerite, Dolomite

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

Specimen size: 4.0 × 3.9 × 2.2 cm = 1.57” × 1.54” × 0.87”