The Where of Mineral Names: Hotsonite, Hotson 6 Mine, Koenabib Farm (Hotson 42 Farm), Khâi-Ma, Namakwa, Northern Cape, South Africa

Discovery and Origin of the Name HOTSONITE, Al11(SO4)3(PO4)2(OH)21.16H2O (fig. 1), is a rare aluminum-sulfate-phosphate currently known from only three countries: South Africa (Beukes et al. 1984b), Hubei and Shaanxi in China (Zhenrong 2008), and the Belyavinsky mine in Russia (Jambor and Puziewicz 1991) (https://www.mindat.org/min-1933.html#autoanchor18; accessed April 2020). It was described by Beukes et al. (1984b) from old quarry workings that exploited sillimanite.