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Figure 1
Idealized structural representations of (a) mimetite and (b) finnemanite. Indicated are the Pb(1)O6 polyhedra (green) and the tetrahedral and triangular coordination of As5+ and As3+ (blue), respectively. Indicated in white are the O atoms which are present in mimetite but absent in finnemanite.

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 64| Part 1| January 2008| Pages 34-41
doi:10.1107/S0108768107066402
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