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Mineralogical Magazine; April 2004; v. 68; no. 2; p. 279-300; DOI: 10.1180/0026461046820187
© Mineralogical Society of Great Britain and Ireland
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FIG. 1. The cuprobismutite series and related paderaite, according to (a) Makovicky (1989) and (b) Mumme (1986). Paderaite shares the common Cu8Bi8S16 layer with members of the cuprobismutite series. In the paderaite structure (b, right), the D module has variable thickness along the c axis: either one octahedron thick at the T contact, or two octahedra thick along the trigonal-tetrahedral match. In each drawing, atoms are, in decreasing size, S, Bi and Cu. In the drawings for paderaite, the order is Pb, S, Bi, Ag and Cu.





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JOURNAL HOME HELP CONTACT PUBLISHER SUBSCRIBE ARCHIVE SEARCH TABLE OF CONTENTS
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