Structure 9016766

9016765 << 9016766 >> 9016767
Original COD entry Download CIF Download DOT

Citation: Hawthorne, F. C.; MacDonald, D. J.; Burns, P. C. (1993). Reassignment of cation site occupancies in tourmaline: Al-Mg disorder in the crystal structure of dravite. American Mineralogist, 78, pp. 265-270.

Formula: Al6.078 B3 Ca0.009 Cr0.006 Fe0.612 H4 K0.014 Mg2.274 Mn0.003 Na0.814 O34 Si6 Ti0.03

Cell parameters:

  • a = 15.947 Å
  • b = 15.947 Å
  • c = 7.214 Å
  • α = 90°
  • β = 90°
  • γ = 120°

List type: noninterleaving

List: 3D

Combined 3D structure and graph

span 1 {1 1 1}
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JSmol combined CIF view

Linear Graph Knot

Molecules

CIF datablock 0, entity 1 of 1

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

Dimensionality: 3

Formula: Al27 B9 Cr9 Fe9 Mg27 Mn9 O102 Si18 Ti9 (Al9 B3 Cr3 Fe3 Mg9 Mn3 O34 Si6 Ti3)

Multiplicity: 1

span 1 {1 1 1}