walpurgiten.
/ˈvalpəɡʌɪt/ Mineralogy.
A hydrous arsenate of bismuth and uranium found as yellow, translucent or transparent triclinic crystals.
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trögerite1872
walpurgite1872
zeunerite1873
hügelite1914
nováčekite1951
1872 G. J. Brush in J. D. Dana Syst. Mineral. (new ed.) App. i. 16 Walpurgite.
1958 Bull. U.S. Geol. Surv. No. 1064. 242 Walpurgite is a secondary mineral, found in the oxidized zone of a vein carrying uraninite, cobalt and nickel arsenides, and native bismuth from which the U, Bi, and As content of the mineral has been derived.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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n.1872- tankard-cup
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