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Fergusonite from Ceylon

Published online by Cambridge University Press:  14 March 2018

G. T. Prior
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Extract

In the appendix to the paper on the new mineral, baddeleyite, in the last number of the Magazine, Mr. Fletcher proves the identity of that mineral with the brazilite of Husssk, and explains the deviation in specific gravity and the original incorrect determination of the chemical composition of the Brazilian mineral by the supposition that the crystallographic measurements were made on the true mineral, while the specific gravity determination and chemical analysis were made on another, a tantalo-niobate of yttrium associated with it.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 10 , Issue 47 , November 1893 , pp. 234 - 238
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1893

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