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Two Analyses of Crystals of Apatite

Published online by Cambridge University Press:  14 March 2018

Henry Robinson
Henry Robinson*
Affiliation:
Downing College, Cambridge
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Extract

The three varieties of apatite at present known to occur in Cornwall are the sea-green limpid crystals from St. Michael's Mount and other places, the dirty-white, semi-opaque, hexagonal prisms associated with axinite from Botallack Head, and the thin hexagonal plates, described and analysed by Prof. Maskelyne and Dr. Flight as coming from a new locality, now known, however, to have been obtained by the late Mr. Tailing from Fowey Consols, and previously noted from this mine by Greg and Lettsom. To these must now be added a new variety which was lately brought to me as chalybite from the deep workings of Levant Mine, St. Just. The specimens are closely analogous to those analysed by Dr. Flight, but differ slightly in chemical composition and mode of occurrence.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 7 , Issue 33 , December 1886 , pp. 59 - 60
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1886

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References

page 59 note 1 Trans. R. G. S, of Cornwall, 1886.