Bastnaesite
a rare-earth mineral, fluorocarbonate of lanthanum and cerium, with a waxy-yellow to reddish-brown color, commonly -ssociated with zinc ores.
noun
a rare yellow to reddish-brown mineral consisting of a carbonate of fluorine and several lanthanide metals. it occurs in -ssociation with zinc and is a source of the lanthanides. formula: lafco3
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sotho (def 3). historical examples that the numbers slaughtered were very great, the numerous ruins of basuto kraals all over the country testify. the last boer war h. rider haggard my advice is that you select as good a pair of basuto ponies as you can obtain. a dash from diamond city george manville fenn […]
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noun acronym (in britain) british -ssociation of social workers