£500 €567 $653 approx. This specimen is priced in pounds sterling, all other prices are approximate.
A rich specimen of Olivenite from the celebrated Wheal Gorland, St. Day, Cornwall. The Olivenite is seen as a partly botryoidal deep olive green crystallized area with a radial internal structure, and silky areas with a hint of green to the white Olivenite (variety Leucochalcite). A small amount of red-brown Goethite is present on the specimen. A fine Olivenite from Wheal Gorland.