Diopside
Mottana A, Rossi G, Kracher A, Kurat G
Tschermaks Mineralogische und Petrographische Mitteilungen 26 (1979) 187-201
Violan revisited: Mn-bearing Omphacite and Diopside
Locality: manganese deposit of Praborna, St Marcel, Aosta Valley, Italy
_database_code_amcsd 0015675
9.726 8.907 5.256 90 106.1 90 C2/c
atom      x      y       z  occ Biso B(1,1) B(2,2) B(3,3)  B(1,2) B(1,3)  B(2,3)
Ca2       0 .30167     .25 .940  .64 .00196 .00197 .00512       0 .00014       0
Na2       0 .30167     .25 .060  .64 .00196 .00197 .00512       0 .00014       0
Mg1       0 .90741     .25 .964  .38 .00069 .00181 .00315       0 .00045       0
Fe1       0 .90741     .25 .036  .38 .00069 .00181 .00315       0 .00045       0
Si   .28653 .09317  .22916       .30 .00056 .00148 .00275 -.00005 .00072 -.00014
O1   .11503 .08612  .14033       .55 .00067 .00273 .00578  .00017 .00095 -.00017
O2   .36063 .25081  .31585       .63 .00192 .00287 .00559 -.00043 .00093 -.00016
O3   .35074 .01689 -.00419       .53 .00103 .00250 .00468  .00006 .00089 -.00084