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Some new data concerning kornerupine and its chemistry

Published online by Cambridge University Press:  14 March 2018

Max H. Hey ,
B. W. Anderson  and
C. J. Payne
Max H. Hey
Affiliation:
Mineral Department, British Museum
B. W. Anderson
Affiliation:
Laboratory of the Diamond, Pearl, and Precious Stone Trade Section of the London Chamber of Commerce
C. J. Payne
Affiliation:
Laboratory of the Diamond, Pearl, and Precious Stone Trade Section of the London Chamber of Commerce
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Extract

Some years ago, when working through large parcels of mixed faceted gem-stones in a search for blue spinels of high refractive index, several unusual specimens were encountered, two of which were later identified as kornerupine by Dr. G. F. Claringbull, using X-ray methods. The other stones in these parcels were all quite typical products of the Ceylon gem gravels, consisting mainly of zircons, garnets, and spinels. Since kornerupine is so rare a mineral, and had not previously been reported from Ceylon, it was considered worth while to attempt to place the new occurrence beyond doubt by searching through rough gem gravel imported direct from Ceylon. This was made possible by the kindness of Mr. Hans Van Starrex, who sent a consignment weighing several pounds from the Matale district (Anderson and Payne, 1940).

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 26 , Issue 175 , December 1941 , pp. 119 - 130
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1941

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References

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