Helvine Kudoh Y, Takeuchi Y Zeitschrift fur Kristallographie 173 (1985) 305-312 The effect of pressure on helvite Mn8S2[Be6Si6O24] Locality: Schwarzenberg, Saxony Sample: P = 27 kbar _database_code_amcsd 0010953 8.223 8.223 8.223 90 90 90 P-43n atom x y z Biso Mn .1703 .1703 .1703 .66 Be .5 0 .25 7.70 Si 0 .5 .25 .48 O .1399 .1405 .4134 .68 S .5 .5 .5 2.0