Structure 1541760

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Citation: Hawthorne, F.C.; Grundy, H.D. (1976). The crystal chemistry of the amphiboles: IV. X-Ray and neutron refinements of the crystal structure of tremolite. Canadian Mineralogist, 14, pp. 334-345.

Formula: Al0.2 Ca1.8 F0.66 H1.34 K0.12 Mg5 Na0.38 O23.34 Si7.8

Chemical name: (Na.38 K.12 Ca1.80) Mg5 (Al.2 Si7.8) O22 (O H)1.34 F.66

Cell parameters:

  • a = 9.863 Å
  • b = 18.048 Å
  • c = 5.285 Å
  • α = 90°
  • β = 104.79°
  • 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: Al8 F4 H4 Mg10 O48 Si16 (Al4 F2 H2 Mg5 O24 Si8)

Multiplicity: 1

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