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On Kaolinite

Published online by Cambridge University Press:  14 March 2018

Allan Dick
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Extract

I propose to add one more account to those which have already been published of this mineral. It is described as a rhombie mineral in Dana's Mineralogy and other standard works. Latterly it has been described by Reusch as an anorthic mineral, from National Belie Mine, Red Mountain, Colorado, in the Jahrbuch für Mineralogie, 1887, Bd. II. Now I describe it as monoclinic, principally from a study of that variety of it which occurs in Anglesey, of which an account was published by Dr. Percy in 1875 in his Metallurgy, Vol. "Fuel."

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 8 , Issue 36 , May 1888 , pp. 15 - 27
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1888

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References

page 26 note 1 The water was estimated by heating a weighed portion of the mineral to redness in the air, and continuing the calcination till the weight was unchanged. During this the iron was converted into peroxide, and the inoreased weight arising therefrom was deducted from that of the residue and added to the loss. This method of determining the water is not quite correct, but I had only a small amount of mineral to work upon.