TC280NC: Growth of very sharp crystals of Chalcocite that form thick twins with a hexagonal outline, with very well defined and shiny faces and edges, on matrix, covered by Calcite crystals and Pyrite microcrystals. These specimens have 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 (01/2019)

Specimen size: 7.1 × 6.4 × 3.6 cm = 2.80” × 2.52” × 1.42”

Main crystal size: 1 × 1 cm = 0.39” × 0.39”