TC80NE: Growth on matrix of very sharp Chalcocite crystals that form thick twins of hexagonal outline, with very well defined and brilliant faces and edges, covered with Pyrite microcrystals. These specimens have 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 (09-11/2019)

Specimen size: 3.8 × 3.2 × 2.7 cm = 1.50” × 1.26” × 1.06”

Main crystal size: 0.5 × 0.5 cm = 0.20” × 0.20”