bismutite

bismutite, a bismuth subcarbonate, (BiO)2CO3, that has been formed as an alteration product of primary bismuth minerals in the oxidized portions of metal veins. Well-known localities include Cornwall, Eng., and the Tazna district, Bolivia. For detailed physical properties, see carbonate mineral (table).

This article was most recently revised and updated by John P. Rafferty.
Citation Information
Article Title: bismutite
Website Name: Encyclopaedia Britannica
Publisher: Encyclopaedia Britannica, Inc.
Date Published: 20 December 2017
Access Date: April 20, 2025