Structure 9000918

9000917 << 9000918 >> 9000919
Original COD entry Download CIF Download DOT

Citation: Petersen, E. U.; Anovitz, L. M.; Essene, E. J. (1984). Donpeacorite, (Mn,Mg)MgSi2O6, a new orthopyroxene and its proposed phase relations in the system MnSiO3-MgSiO3-FeSiO3. American Mineralogist, 69, pp. 472-480.

Formula: Mg1.47 Mn0.53 O6 Si2

Cell parameters:

  • a = 18.384 Å
  • b = 8.878 Å
  • c = 5.226 Å
  • α = 90°
  • β = 90°
  • γ = 90°

List type: noninterleaving

List: 3D

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Molecules

CIF datablock 0, entity 1 of 1

Basis: (1;0;0 0;1;0 0;0;1)

Dimensionality: 3

Formula: Mg16 Mn8 O48 Si16 (Mg2 Mn O6 Si2)

Multiplicity: 1

Coordination sequences:

  • 2, 6, 14, 34, 41, 80, 104, 137, 200, 211
  • 3, 11, 17, 43, 47, 85, 118, 155, 181, 225
  • 3, 12, 18, 36, 58, 86, 111, 146, 199, 248
  • 4, 7, 14, 28, 53, 71, 122, 119, 190, 226
  • 4, 8, 13, 36, 43, 83, 99, 148, 174, 228
  • 4, 8, 19, 27, 58, 81, 119, 132, 187, 251
  • 4, 8, 20, 32, 62, 76, 116, 161, 188, 252
  • 4, 10, 15, 35, 50, 87, 117, 144, 192, 235
  • 4, 10, 15, 38, 57, 86, 114, 146, 199, 245
  • 5, 10, 25, 36, 59, 83, 117, 161, 191, 226
  • 7, 8, 22, 42, 58, 90, 118, 149, 206, 239
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