3N96: Druse of small, complex, twinned Sphalerite crystals, shiny and transparent and with a very deep honey color. The matrix is partially coated by small, white Dolomite crystals and rhombohedral Siderite crystals. This mine is currently abandoned and flooded, and its old galleries are completely inaccessible.
Troya Mine, Mutiloa, Comarca Goyerri, Guipúzcoa / Gipuzkoa, Basque Country (Euskadi)  Spain (1985)

Specimen size: 10.2 × 9.8 × 5.5 cm = 4.02” × 3.86” × 2.17”

Main crystal size: 1.1 × 0.7 cm = 0.43” × 0.28”