Structure 9005786

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Citation: Armbruster, T. (1985). Ar, N2, CO2 in the structural cavities of cordierite, an optical and X-ray single-crystal study Sample: Ruby Island natural. Physics and Chemistry of Minerals, 12, pp. 233-245.

Formula: Al4 Mg2 Na0.05 O18.7 Si5

Cell parameters:

  • a = 17.066 Å
  • b = 9.722 Å
  • c = 9.345 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: Al16 Mg8 O72 Si20 (Al4 Mg2 O18 Si5)

Multiplicity: 1

Coordination sequences:

  • 2, 6, 10, 30, 33, 77, 61, 119, 104, 217
  • 3, 10, 14, 35, 32, 72, 64, 141, 111, 219
  • 4, 6, 20, 22, 48, 44, 104, 86, 180, 142
  • 4, 6, 20, 23, 57, 48, 99, 86, 178, 135
  • 6, 9, 24, 23, 48, 48, 114, 86, 174, 141
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