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Welshite
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| Welshite.4267 Formula: Ca3.78 Mg7.87 Sb3 Mn1.35 Si5.73 Be3.33 Al1.71 Fe.96 As.27 O40 Name: Welshite Unit cell: 10.394 10.777 8.896 105.953 96.294 124.948 , V=738.87 Space group: P1 (1) |
Grew E S , Barbier J , Britten J , Halenius U , Shearer C K , American Mineralogist , 92 (2007) p.80-90, The crystal chemistry of welshite, a non-centrosymmetric (P1) aenigmatite-, sapphirine-surinamite group mineral
