Pyromorphite

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This was the only truly fine pyromorphite thumbnail in the collection (in fact, one of a very few thumbs, 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 lustrous and translucent crystals on one side which adds depth. Collected in the mid 1970's by Lindsay Greenbank, while working "Barstow's Trench" with his friend. It has a superb luster and 3-dimensional form, making this an exceptional specimen and a world class English thumbnail. Illustrated in "Classic Minerals of Northern England," page 35 (Joe Budd photo shown here, atop)