Old Potts Gill Mine, Potts Gill, Caldbeck, Allerdale, Cumbria, England, UK

A specimen of botryoidal, green cornwallite in a boxwork, gossan matrix with massive white barite from a famous English locality, the Old Potts Gill Mine of Caldbeck Fells, Cumbria. Ex Edna Doughty and Richard Hauck Collections.

© Rob Lavinsky & irocks.com

Hemimorphite ball about 1mm diam. Surface dumps June 2011.

© DRC

Micro globular blue-green masses on matrix. Purchased in 2017.

© Andrew Hodgson

Small piece of quartz matrix with phillipsburgite and minor chalcopyrite. Purchased from lake district minerals.

© N.P. Harrison