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Bismoclite
Bismoclite is a bismuth oxohalide mineral with formula BiOCl. The name was derived from its chemical constituents. It is a secondary bismuth mineral composed of bismuthyl ions (BiO+) and chloride anions. It is member of the matlockite group. It was first described in 1935 from alluvium near bismuth-bearing pegmatites in South Africa.〔 It has been found in association with granite pegmatite and in greisen. Associated minerals include: bismutite, mica, jarosite, alunite, cerussite, atacamite, connellite. Ocurrences include the type locality at Jackals Water, SW of Prieska, South Africa; Bygoo, Australia; the Tintic district in the East Tintic Mountains of Utah; and from Dalbeattie, Scotland.〔 ==References==
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