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On the Crystalline Form of Meneghinite

Published online by Cambridge University Press:  14 March 2018

H. A. Miers
H. A. Miers*
Affiliation:
Mineral Department, British Museum
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Extract

A complete description of this mineral was given in Poggendorf's Annalen, vol. 132 (1867), p. 372, by Prof. vom Rath, who ascribed it to the oblique system with the elements, a : b : c=·361639 : 1 : ·116825 ; β=87°40′18″.

This paper gives a full account of the appearance and properties of the Meneghinite from Scrravezza, and of its association with Quartz, Galena, Blends, Chalybite, Copper Pyrites, Iron Pyrites, Calcite, and Albite; the results of the analysis also accord fairly with the previous determinations of Bechi and Hofmann, which give for the formula Pb4 Sb2 S7 or 4Pb S + Sb2 S3.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 5 , Issue 26 , February 1884 , pp. 325 - 331
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1884

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References

page 330 note * Two subsequent analyses of this specimen showed that it was far from homogeneous, the analyses differing widely.