Zairite is a phosphate mineral with the chemical formula Bi(Fe3+,Al)3[(OH)6|(PO4)2]. The name was given from where it was locally discovered in Eta-Etu, Kivu, Congo (Zaïre) in 1975. ==Properties== Zairite crystallizes in the trigonal crystal system, which means it contains three equal horizontal axes with angles of 120° between them. The mineral...
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