Sulphur on Covellite

Atalaya cut, 14-16 level, Rio Tinto Mines, Minas de Riotinto, Comarca Cuenca Minera, Huelva, Andalusia  Spain (1996)

Specimen size: 5.6 × 2.3 × 1.6 cm = 2.20” × 0.91” × 0.63”
Main crystal size: 0.1 × 0.1 cm = 0.04” × 0.04”