Acceso a Foro FMF
Guía de uso de Galería FMF
Las Cruces mine, Gerena, Seville, Andalusia, Spain
It’s me collecting in the copper sulfide ore at Las Cruces. In my hand, the specimen pictured previously. See the calcite filled fractures, in whose cavities the chalcocite crystals grow. (Author: Cesar M. Salvan)
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