Pyromorphite
Barstow's Trench, Roughton Gill, Caldbeck, Allerdale, Cumbria, England, UK
This was the only truly fine pyromorphite thumbnail in the collection (in fact, one of a very few thumbnails, period). It is a special, sharply-formed crystal that was mined from Barstow's Trench: an open cut exposure of the vein at high level Mexico Mine, Roughton Gill South. The specimen is basically one big crystal with a small cluster of ...
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