Alston Moor District, North Pennines, Cumberland, Cumbria, England; 1939

7.9 x 6.8 x 4 cm
3.1 x 2.7 x 1.6 in

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Fluorescent LW

This specimen from a classic English location has black, shiny, sharp Sphalerite crystals scattered across lavender Fluorite. The Fluorite has a small amount of orange iron oxide staining within it. Like most Fluorite from the location, it fluoresces strongly under longwave UV. The color is bright blue/purple. The specimen is in good condition with the exception of some internal fractures in the corner of the largest crystal.