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Mineralogical Magazine; April 2004; v. 68; no. 2; p. 247-254; DOI: 10.1180/0026461046820185
© Mineralogical Society of Great Britain and Ireland
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FIG. 1. The I4/mmm sub-cell of asisite, a = 3.893 Å and c = 22.803 Å. This type of sub-cell is shared with parkinsonite. Structure refinement indicates that ~75% of the Pb(2) sites are occupied. Pb(1) forms a Pb[O4Cl4] square antiprism; Pb(2) forms a PbO4 array and is not bonded to Cl.





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