Citation: Mills, S. J.; Kampf, A. R.; Pasero, M.; Merlino, S. (2010). Discreditation of ''orthobrochantite'' (IMA 78-64) as the MDO1 polytype of brochantite Note: This is the MDO1 polytype of brochanite, that used to be called orthobrochantite. European Journal of Mineralogy, 22, pp. 453-457.