ND86AL5: Growth on matrix of highly profiled Chalcocite crystals that form flattened twins with a hexagonal outline, with very well defined faces and edges, bright, bluish in color, on matrix, with coatings of Pyrite microcrystals. These specimens were 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: 6 × 4 × 2.7 cm = 2.36” × 1.57” × 1.06”

Main crystal size: 0.6 × 0.3 cm = 0.24” × 0.12”