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Nickeloan pyroaurite from Leslie, Aberdeenshire

Published online by Cambridge University Press:  05 July 2018

M. J. Wilson ,
P. D. Cradwick ,
M. L. Berrow ,
W. J. McHardy  and
J. D. Russell
M. J. Wilson
Affiliation:
The Macaulay Institute for Soil Research, Craigiebuckler, Aberdeen AB9 2QJ
P. D. Cradwick
Affiliation:
The Macaulay Institute for Soil Research, Craigiebuckler, Aberdeen AB9 2QJ
M. L. Berrow
Affiliation:
The Macaulay Institute for Soil Research, Craigiebuckler, Aberdeen AB9 2QJ
W. J. McHardy
Affiliation:
The Macaulay Institute for Soil Research, Craigiebuckler, Aberdeen AB9 2QJ
J. D. Russell
Affiliation:
The Macaulay Institute for Soil Research, Craigiebuckler, Aberdeen AB9 2QJ
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Summary

A nickel-bearing mineral belonging to the pyroaurite-sj~Sgrenite group has been found in a serpentinite rock near the village of Leslie, Aberdeenshire. X-ray powder diffraction data and electron-probe microanalysis indicate that the mineral has a three-layer rhombohedral structure with a probable formula near (OH)13CO3.4H2O. The mineral can therefore be described as nickeloan pyroaurite. It decomposes readily in mildly acid conditions and if inherited by serpentinite-derived soils could well be an important source of plant-available nickel.

Type
Research Article
Information
Mineralogical Magazine , Volume 40 , Issue 313 , March 1976 , pp. 447 - 451
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1976

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