Structure 9000042

9000040 << 9000042 >> 9000044
Original COD entry Download CIF Download DOT

Citation: Hamburger, G. E.; Buerger, M. J. (1948). The structure of tourmaline. American Mineralogist, 33, pp. 532-540.

Formula: Al6 B3 H4 Mg3 Na O31 Si6

Cell parameters:

  • a = 15.951 Å
  • b = 15.951 Å
  • c = 7.24 Å
  • α = 90°
  • β = 90°
  • γ = 120°

List type: noninterleaving

List: 3D

Combined 3D structure and graph

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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: Al18 B9 O81 Si18 (Al2 B O9 Si2)

Multiplicity: 1

Coordination sequences:

  • 1, 2, 4, 20, 35, 47, 74, 102, 143, 187
  • 2, 8, 14, 39, 60, 86, 130, 141, 223, 240
  • 2, 8, 14, 40, 60, 83, 130, 144, 223, 239
  • 2, 8, 15, 30, 41, 77, 94, 136, 190, 208
  • 2, 10, 19, 32, 49, 79, 107, 146, 204, 231
  • 3, 4, 20, 35, 47, 74, 102, 143, 187, 260
  • 3, 12, 20, 35, 55, 75, 109, 145, 202, 244
  • 5, 8, 24, 39, 64, 94, 113, 180, 192, 276
  • 7, 16, 24, 37, 66, 83, 122, 168, 215, 266
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