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Named for one of the two co-type localities in the Alston Moor District at the Brownley Hill mine in Cumbria, England. The other type locality for Alstonite is at the Fallowfield mine in Northumberland, England. Additional localities include in Wales, Russia, Poland, France, the United States, as well as newer localities in Namibia, Greenland, and China. Alstonite is general found in low-temperature hydrothermal lead-zinc deposits and more rarely in carbonatites. Alstonite will fluoresce yellow under short- and long-wave ultraviolet light.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/alstonite.pdf