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Chalcocite with Pyrite
Chalcocite with Pyrite. Chalcocite with Pyrite.
Chalcocite with Pyrite.

Fluorescent light (daylight)
 

NAF72AO0: Very sharp Chalcocite crystals that form very well defined twins, lustrous, with a metallic grey tone. On matrix with coatings of Pyrite microcrystals which are very lustrous and with vivid iridescent metallic tones. The specimen, very unusual, comes from the last find before the final closure of this open pit mine. Specimens from this find have been analyzed and we will send a copy of the analysis to the buyer.
The specimen has been photographed and published in the magazine ‘Paragénesis’, number 01/2022, page 74
Las Cruces Mine, Gerena-Guillena-Salteras, Comarca Sierra Norte, Seville, Andalusia  Spain (01/2020)

Specimen size: 12.5 × 10.5 × 8.7 cm = 4.92” × 4.13” × 3.43”

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






  
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