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The Identity of Andorite, Sundtite and Webnerite

Published online by Cambridge University Press:  14 March 2018

G. T. Prior  and
L. J. Spencer
G. T. Prior
Affiliation:
Assistants in the Mineral Department of the British Museum
L. J. Spencer
Affiliation:
Assistants in the Mineral Department of the British Museum
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Extract

On November 14th, 1892, Prof. J. A. Krenner read before the Hungarian Academy of Sciences an account of a new silver ore from Felsöbánya, to which he gave the name of Andofite. It was described as orthorhombie with a : b : c = 0.97756 : 1 : 0.86995, and as having the chemical composition 2PbS.Ag2S.3Sb2S3.

Type
Research Article
Information
Mineralogical magazine and journal of the Mineralogical Society , Volume 11 , Issue 53 , December 1897 , pp. 286 - 301
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1897

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References

page 286 note 1 "Andorit, uj hazai ezüstércz." Mathematikai ds termgszettudomdnyi. Érteaito, XI. 119-122, 1892. German abstracts of this paper ("Andorit, ein neues ungarisches Silbererz") are given by A. schmidt in Zeits. Kryst. Min. XXIII. 497-499, 1894, and in Földtani Közlöny, XXV. 258-259, 1895.

page 286 note 2 "Sundtit, et nyt mineral fra Oruro i Bolivia." Forhandlinger i Videnskabs- Selskabet i Chriatiania, for 1892, No. 18, 1893; and Zeits. Kryst. Min. XXI. 193- 199, 1893.

page 287 note 1 "Notizen fiber Sundtit yon Oruro in Bolivia." Zeits. Kryst. Min. XXIV. 124-125, 1894.

page 287 note 2 "Bemerkungen über Zinekemte yon Oruro in Bolivia." Zeits. Kryst. Min. XXIV. 125-127, 1894.

page 289 note 1 Before the idea of tbe identity of the mineral with Sundtite and Andorite had been entertaiued, the axial ratios were deduced from the angles bn = 72°2½ and by = 37°58½, as a : b : c = 0.324 : 1 : 1.281.

page 290 note 1 This drusy material sometimes showed hexagonal outlines under the microscope, and it is possibly the same mineral as that referred to stephanite above.

page 291 note 1 =a(lO0) of Krenner.

page 292 note 1 Krenner interchanges a{100} aml b{010}; his parametral plaue would be (463), which is not an observed form.

The amount of this was too small to make a satisfactory determination of the chemical compnsition possible. PSblmann mentions antimony oxide as a yellow powder dusted over the crystals.

page 295 note 1 On this projection all the forms of Andorite, with the exception of u{130}, are Represented,

page 299 note 1 Amer. Jouru. Sci. 1894, XLVIII. p. 130.

page 299 note 2 This may possibly be jamesonite.

page 299 note 3 Dana gives ms = 46°26⅔′, and Miller 46°26′.

page 300 note 1 Petermann's Geograph. Mitth. 1867, p. 319.

page 300 note 2 Berg- und Hfittellnt. Zeit. 1887, p. 157; 1888, pp. 241 and 263.

page 300 note 3 Annales des Mznes 1894, Ser. 9, V. Mem. p. 511, with map.

page 300 note 4 Zeits. deutseh, geol. Ges. 1897, XLIX. pp. 82, 126. See also F. de Castelnnu, Expedition Amerique du Sud, 1851, III. 358.

page 300 note 5 Amer. Journ. Sei. 1896, [4] II. p. 28; and Zeits. Kryst. Min. 1896, XXVII. p. 76.