Brassite Formula: Mg As O8 H9 Name: Brassite Unit cell: 7.472 10.891 16.585 90.0 90.0 90.0 , V=1349.65 Space group: PBCA (61)
Protas J , Gindt R , Acta Crystallographica, Section B , 32 (1976) p.1460-1466, Structure cristalline de la brassite, MgHAsO4*4H2O, produit de deshydratation, de la roesslerite, Locality: synthetic