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Painite, a new mineral from Mogok, Burma

Published online by Cambridge University Press:  14 March 2018

G. F. Claringbull ,
Max H. Hey  and
C. J. Payne
G. F. Claringbull
Affiliation:
Department of Mineralogy, British Museum (Natural History)
Max H. Hey
Affiliation:
Department of Mineralogy, British Museum (Natural History)
C. J. Payne
Affiliation:
Laboratory of the Diamond, Pearl, and Precious Stone Trade Section of the London Chamber of Commerce
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Summary

A singly terminated transparent, deep-garnet-red crystal originally weighing 1·7g. from a gem gravel from Mogok, Burma, proves to be a new mineral having Al2O3 76·2, SiO2 5·6, B2O3 2·2, CaO 15·7, H2O 0·7, Fe2O3 and MnO traces, total 100·4. Sp. gr. 4·01; ω 1·8159, ɛ 1·7875; H 8. The hexagonal unit cell has a 8·725, c 8·46 Å., space group P63, P63/m or P63 22, and contains approximately 38 O. The name painite is proposed in honour of A. C. D. Pain who recognized the unusual nature of the crystal.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 31 , Issue 236 , March 1957 , pp. 420 - 425
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1957

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References

1 Lagerqvist, K., Wallmark, S., and Westgren, A., Zeits. anorg. Chem., 1937, vol. 234, 13. 12 [M.A. 7-235].Google Scholar

2 Wallmark, S. and Westgren, A., Arkiv Kemi, Min. Geol., 1937, vol. 12B, no. 35 [M.A. 8-366].Google Scholar