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Connellite from Cornwall

Published online by Cambridge University Press:  14 March 2018

C. O. Trechmann
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Extract

The crystals are of a similar length, though often considerably thicker than those described by Prof. Maskelyne (Phil. Mag. Jan. 1868), and his general description applies to those under consideration.

They are, however, ill-adapted for measurement, as single perfect crystals are rare. As a rule several crystals are longitudinally attached to one another, with slight radial divergence, in such a manner that it becomes difficult or impossible to discriminate between the reflections of their minute faces.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 6 , Issue 30 , August 1885 , pp. 171
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1885

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