On the correlation of physical properties with chemical composition in multivariate systems

14 March 1956

journal article
Published by Mineralogical Society in Mineralogical Magazine and Journal of the Mineralogical Society

Vol. 31 (232) , 69-95
https://doi.org/10.1180/minmag.1956.031.232.06

Abstract

A systematic and time-saving procedure for the correlation of optical or other physical properties with chemical composition is outlined, and is applicable even where the composition is complex and involves several variables. The procedure is applied to anthophyllite, for which the following partial regression equations are derived:γ = 1·7249−0·0130Si+0·0140(Ti+Fe‴+Fe′+Mn)±0·0012,β = 1·7275−0·0142Si+0·024(Ti+Fe‴)+0·0110(Fe″+Mn)±0·0015,α = 1·6951−0·0117Si+0·040(Ti+Fe‴)+0·0133(Fe″+Mn)±0·0025,b(Å.) = 16·44+0·28Si−0·13Mg+0·40(Ca+Na+K)±0·04.The a and c cell-dimensions appear to be constant, within the experimental error of the available data.

Keywords

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