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A new mineral, isomorphous with trechmannite, from the Binn valley, Switzerland

Published online by Cambridge University Press:  14 March 2018

R. H. Solly
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Extract

In August 1904 I discovered in the Lengeubach quarry a specimen on which were three small, round-shaped crystals, about the size of small shot, grown upon a prismatic crystal of sartorite. I measured them, and owing to their small size experienced some difficulty in determining the position of some of the faces with the goniometer at my disposal, which was of the ordinary single-circle pattern.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 18 , Issue 87 , November 1919 , pp. 363 - 365
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1919

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References

1 L. Desbuissons, 'La Vallde de Binn (Valais),' Lausanne, 1909, p. 66:'5° Cristeux gris de plomb rhomboédriques. 111 : 100=38° 18'. Très petits et très modifiés.'