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Information card for entry 1000048
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| Coordinates | 1000048.cif |
|---|
| Chemical name | Dicalcium aluminium alumosilicate |
|---|---|
| Mineral name | Gehlenite |
| Formula | Al2 Ca2 O7 Si |
| Calculated formula | Al2 Ca2 O7 Si |
| Title of publication | Neutron Diffraction Study of the Akermanite-Gehlenite Solid Solution Series |
| Authors of publication | Swainson, I P; Dove, M T; Schmahl, W W; Putnis, A |
| Journal of publication | Physics and Chemistry of Minerals (Germany) |
| Year of publication | 1992 |
| Journal volume | 19 |
| Pages of publication | 185 - 195 |
| a | 7.685 ± 0.0004 Å |
| b | 7.685 ± 0.0004 Å |
| c | 5.0636 ± 0.0003 Å |
| α | 90° |
| β | 90° |
| γ | 90° |
| Cell volume | 299.1 Å3 |
| Sample thermal history | annealed at 1250 C for 2 d |
| Number of distinct elements | 4 |
| Space group number | 113 |
| Hermann-Mauguin space group symbol | P -4 21 m |
| Hall space group symbol | P -4 2ab |
| Residual factor for all reflections | 0.059 |
| Has coordinates | Yes |
| Has disorder | No |
| Has Fobs | No |
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