Structure 9002209

9002208 << 9002209 >> 9002210
Original COD entry Download CIF Download DOT

Citation: Sharma, A.; Jenkins, D. M. (1999). Hydrothermal synthesis of amphiboles along the tremolite-pargasite join and in the ternary system tremolite-pargasite-cummingtonite Sample: PARG 20-2. American Mineralogist, 84, pp. 1304-1318.

Formula: Al1.72 Ca1.84 Mg4.56 Na0.58 O24 Si6.88

Cell parameters:

  • a = 9.8466 Å
  • b = 17.990 Å
  • c = 5.2793 Å
  • α = 90°
  • β = 105.099°
  • γ = 90°

List type: interleaving

List: 1D

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span 1 {1 1 1}
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Linear Graph Knot

Molecules

CIF datablock 0, entity 1 of 2

Basis: (0;0;1)

Dimensionality: 1

Formula: Al13 Ca2 Mg7 O24 Si8 (Al13 Ca2 Mg7 O24 Si8)

Multiplicity: 1

span 1 {1 1 1}

CIF datablock 1, entity 2 of 2

Basis: (0;0;1)

Dimensionality: 1

Formula: Al13 Ca2 Mg7 O24 Si8 (Al13 Ca2 Mg7 O24 Si8)

Multiplicity: 1

span 1 {1 1 1}