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Graeserite
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| Graeserite.13282 Formula: Pb.14 (Fe4 Ti3) As O14 H Name: Graeserite Unit cell: 5.0053 14.272 7.1736 90.0 105.165 90.0 , V=494.61 Space group: C2/m (12) |
Berlepsch P , Armbruster T , Schweizerische Mineralogische und Petrographische Mitteilungen , 78 (1998) p.1-9, The crystal structure of Pb2+-bearing graeserite, Pb0.14(Fe,Ti)7AsO12+x(OH)2-x,, a mineral of the derbylite group, Locality: Gorb, Binn valley, Western Alps, Switzerland
