Wallisite Structure Data

Wallisite Structure Data
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Wallisite

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Wallisite
Formula: (Pb Tl) Cu As2 S5
Name: Wallisite
Unit cell: 9.215 8.524 7.98 55.983 62.5 69.4 , V=457.10
Space group: P-1 (2)

Takeuchi Y , Ohmasa M , Zeitschrift fur Kristallographie , 127 (1968) p.349-365, The crystal structure of wallisite, PbTlCuAs2S5,, the Cu analogue of hatchite PbTlAgAs2S5, Locality: Lengenbach quarry, Binnatal, Switzerland

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