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A serpentine mineral from Kennack Cove, Lizard, Cornwall1

Published online by Cambridge University Press:  14 March 2018

H. G. Midgley
H. G. Midgley*
Affiliation:
Mineralogy Section, Building Research Station, Department of Scientific and Industrial Research
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Extract

A white soapy mineral which could not easily be identified in the hand-specimen was collected from a vein in the serpentine rock at Kennack Cove, Lizard, in April 1949. From a preliminary optical examination the mineral was thought to be saponite, and therefore of interest to clay mineralogists. Chemical analysis, X-ray, thermal, and optical investigations were carried out at the Building Research Station.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 29 , Issue 212 , March 1951 , pp. 526 - 530
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1951

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Footnotes

1

Crown copyright reserved, published by permission of the Director.

References

1 Caillere, S. and Henin, S., Ann. Agionom. Paris, 1947, n. ser., vol. 17, p. 23. [M.A. 11-175.]Google Scholar

2 This material is white or stained red, soft (H. 2) and soapy to the touch. It forms a granular mass of micro-crystals with refractive index about 1-555.

1 Selfridge, G. C., Amer. Min., 1936, vol. 21, p. 463. [M.A. 6-476.]Google Scholar

1 Aruja, E., Ph.D. thesis, Cambridge, 1943; Min. Mag., 1945, vol. 27, p. 65.CrossRefGoogle Scholar