Structure 1531994

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Citation: Ondrus, P.; Vrana, S.; Maslan, M. (2002). Chemical composition and crystal structure refinement of schorl from the Lundazi pegmatite field, Zambia. Bulletin of the Czech Geological Survey, 77, pp. 23-28.

Formula: Al5.59 B3 Ca0.14 Fe2.3 H4 Mg1.11 Na0.78 O31 Si6

Chemical name: (Na0.78 Ca0.14) (Fe2.3 Mg0.7) (Al5.59 Mg0.41) (Si6 O18) (B O3)3 (O H)4

Cell parameters:

  • a = 15.9856 Å
  • b = 15.9856 Å
  • c = 7.1892 Å
  • α = 90°
  • β = 90°
  • γ = 120°

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: Al18 B9 Fe9 Mg27 O93 Si18 (Al6 B3 Fe3 Mg9 O31 Si6)

Multiplicity: 1

span 1 {1 1 1}