Structure 1541692

1541691 << 1541692 >> 1541695
Original COD entry Download CIF Download DOT

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 Fe0.06 H1.34 K0.12 Mg4.94 Na0.38 O23.34 Si7.8

Chemical name: (Na0.38 K0.12 Ca1.8) Mg4.94 Fe0.06 ((Al0.2 Si7.8) O22) (O H)1.34 F0.66

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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span 1 {1 1 1}
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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 Fe4 H4 Mg10 O48 Si16 (Al4 F2 Fe2 H2 Mg5 O24 Si8)

Multiplicity: 1

span 1 {1 1 1}