Structure 1521135

1521134 << 1521135 >> 1521136
Original COD entry Download CIF Download DOT

Citation: Hawthorne, F.C.; Cooper, M.A.; Grice, J.D.; Ottolini, L. (2000). A new anhydrous amphibole from the Eifel region, Germany: description and crystal structure of obertiite, Na Na2 (Mg3 Fe(3+) Ti(4+)) Si8 O22 O2. American Mineralogist, 85, pp. 236-241.

Formula: Al0.03 Ca0.08 Fe0.71 H0.46 K0.18 Mg3.09 Mn0.37 Na2.66 O24 Si8 Ti0.86

Chemical name: (Na0.82 K0.18) (Na1.84 Fe0.06 Ca0.08) (Mg3.09 Mn0.37 Fe0.65 Ti0.86 Al0.03) Si8 O22 (O1.54 (O H)0.46)

Cell parameters:

  • a = 9.776 Å
  • b = 17.919 Å
  • c = 5.292 Å
  • α = 90°
  • β = 104.05°
  • γ = 90°

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: Al4 Fe8 Mg10 Mn4 O48 Si16 Ti4 (Al2 Fe4 Mg5 Mn2 O24 Si8 Ti2)

Multiplicity: 1

span 1 {1 1 1}