NA12AM5: Very aerial group on matrix of Tennantite-(Fe) crystals with the dominant faces of a tetrahedron accompanied by minor forms. The specimen, which has an unusual crystallographic habit, came from the last find before the final closure of open-pit mining at this mine. It has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, fase 6, levels 130-135, ↓175 m., Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia  Spain (01/2020)

Specimen size: 2.6 × 2.6 × 1.4 cm = 1.02” × 1.02” × 0.55”

Main crystal size: 0.2 × 0.2 cm = 0.08” × 0.08”