Very sharp crystals of Chalcocite as sharp twins, shiny, with a metallic gray tone, on Bornite pseudomorphic after Chalcocite, with an intense metallic blue color and with Pyrite microcrystals. The specimen comes from the last find before the definitive closure of open-pit mining here, and this is the first time that collector quality Bornite has appeared from this locality. This material has 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 (01/2020)
Specimen size: 5.6 × 4.9 × 3.3 cm = 2.20” × 1.93” × 1.30”
Main crystal size: 0.7 × 0.6 cm = 0.28” × 0.24”
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