NP89AL5: Growth on matrix of highly profiled Chalcocite crystals that form thick twins with a hexagonal outline, with very well defined faces and edges, bright, on matrix, with Calcite crystal coatings. These specimens were analyzed and we will send a copy of the analysis to the buyer.
This sample has been referenced and pictured, as a novelty in Ste. Marie Virtual 2020, in the magazine 'Le Règne Minéral' number 154, page 45
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia  Spain

Specimen size: 5.8 × 4 × 3.7 cm = 2.28” × 1.57” × 1.46”

Main crystal size: 0.6 × 0.5 cm = 0.24” × 0.20”