NP26AL4: Very sharp Chalcocite crystals that form hexagonal cyclic twins with well defined faces and edges, flattened, shiny, on matrix. The specimen has been analyzed and we will send a copy of the analysis to the buyer.
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia  Spain

Specimen size: 4 × 3.5 × 2.1 cm = 1.57” × 1.38” × 0.83”

Main crystal size: 0.3 × 0.2 cm = 0.12” × 0.08”