Chrysocolla and other copper minerals from Mina Casablanca, Valle del Río Pisco, Peru – 1 unique flat
This flat contains a diverse collection of copper bearing mineral specimens from Mina Casablanca in the Valle del Río Pisco, Peru. The specimens display predominantly vivid turquoise, blue green and green mineralization typical of Chrysocolla and other secondary copper minerals. Their varying sizes and appearances create an attractive and varied collection for mineral enthusiasts.
Particularly striking are the intense colors produced by the weathering of copper rich ores. Many specimens show crusts, fine grained aggregates and colorful mineral coatings on contrasting matrix. The collection provides an excellent overview of the diversity of secondary copper minerals from a classic Peruvian locality.
Geology & Origin
The copper deposits of the Valle del Río Pisco belong to the many ore occurrences of Peru where oxidation processes produced a wide variety of secondary copper minerals. Chrysocolla commonly forms in the weathered zones of copper deposits and is well known for its characteristic turquoise blue and green colors. Such mineralizations are among the most visually attractive representatives of the secondary copper mineral group.