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Pottsite, a New Vanadate from Lander County, Nevada

Published online by Cambridge University Press:  05 July 2018

S. A. Williams
S. A. Williams*
Affiliation:
Globo de Plomo Enterprises, Douglas, Arizona, USA
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Abstract

Pottsite occurs in the oxide zone of a tungsten mine northwest of Potts, Lander County, Nevada, and is named for the locality. It occurs with scheelite, clinobisvanite, bismutite, and vanadinite. The colour is yellow, luster adamantine. Dobs. is 7.0, Dcalc. 7.31. Uniax (-) ω = 2.49, ɛ = 2.37. Microprobe analysis gave PbO 32.4, Bi2O3 34.0, V2O5 26.6; H2O by Penfield method 6.71% (total 99.71%), leading to HPbBi(VO4)2·2H2O. Crystals are tetragonal 14122, a = 11.084, c = 12.634Å. Strongest powder diffraction lines are 4.618 (9), 4.168 (3), 3.210 (4), 3.062 (10), 2.476 (4), 2.252 (3).

Keywords

pottsitenew mineralvanadateLander County, Nevada, USA
Type
Mineralogy and Crystal Structures
Information
Mineralogical Magazine , Volume 52 , Issue 366 , June 1988 , pp. 389 - 390
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1988

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