Mineralpedia Details for Brianyoungite
Brian Young is the namesake of the mineral as a field geologist and mineralogist of the British geological Survey and the provider of the initial specimens. At the type locality at the Brownley Hill mine in Cumbria, England, it is found as a secondary most mine mineral in oxidized lead0zinc ores which were hosted by limestone and in association with gypsum, smithsonite, pyrite, and goethite. Additional localities include in Belgium, Germany, Greece, and Australia, among a few others.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/brianyoungite.pdf
Brianyoungite from Wellgill vein, Brownley Hill Mine, Nenthead, Cumbria, England
Clear acicular crystals to about 0.75mm. Looks much like Hydrozincite.
Brianyoungite from Gelbe Birke mine, Schwarzenber, Saxony, Germany
White micro silky crystals across matrix.