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Hatchite, a new (anorthic) mineral from the Binnenthal1

Published online by Cambridge University Press:  14 March 2018

R. H. Solly
Affiliation:
Mineral Department of the British Museum
G. F. Herbert Smith
Affiliation:
Mineral Department of the British Museum

Extract

Nearly ten years ago, in 1902, five small crystals were noticed by one of us on a crystal of a sulpharsenite of lead, probably rathite, which had been found in the Lengenbach quarry that summer. Although from their lead-grey colour they also appeared to belong to a sulpharsenite of lead, in habit and appearance they were unlike the crystals of any such species as yet known. The crystals were measured, and were shown at the anniversary meeting, of the Society, November 18, 1902, but the measurements were not published at the time in the expectation that further material would afterwards be found which would enable an analysis to be made and perhaps throw fresh light on the morphological characters of the crystals.

Type
Research Article
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1912

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Footnotes

1

Communicated by permission of the Trustees of the British Museum.

References

Note

1 Mineralogical Magazine, 1902, vol. xiii, p. xxxi. The following report appeared in ‘Nature’, 1902, vol. lxvii, p. 142 : ‘Mr. Solly also discussed the crystallography of a presumably new mineral from the Lengenbach, five minute but brilliant crystals of which were found on a crystal of rathite. In these crystals, no plane or axis of symmetry could be determined, and each crystal was grown in a different position.’