Minerals / Chrysocolla 2, Geufron. (CWO)

Chrysocolla is a hydrated copper phylosilicate mineral found in the weathering zone of copper deposits. Geufron mine, Central Wales Orefield. Detail enlargement from chrysocolla 1. The globular nature of some of the encrustation is more apparent. The adjacent mine of Hafod Feddgar has an adit with a very large area of encrustation on both walls and floor which is very similar in appearance.

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