Information card for entry 9002038
| Mineral name |
Aenigmatite |
| Formula |
Fe0.65 Mg2.163 Na O10 Si3.188 |
| Calculated formula |
Fe0.64975 Mg2.16275 Na O10 Si3.1875 |
| Title of publication |
Composition, stability, and structure of a new member of the aenigmatite group, Na2Mg4+xFe2-2xSi6+xO20, synthesized at 13-14 GPa |
| Authors of publication |
Gasparik, T.; Parise, J. B.; Reeder, R. J.; Young, V. G.; Wilford, W. S. |
| Journal of publication |
American Mineralogist |
| Year of publication |
1999 |
| Journal volume |
84 |
| Pages of publication |
257 - 266 |
| a |
10.328 Å |
| b |
10.724 Å |
| c |
8.805 Å |
| α |
105.15° |
| β |
96.85° |
| γ |
125.47° |
| Cell volume |
719.667 Å3 |
| Sample pressure history |
synthesized at 13-14 GPa |
| Number of distinct elements |
5 |
| Space group number |
2 |
| Hermann-Mauguin space group symbol |
P -1 |
| Hall space group symbol |
-P 1 |
| Has coordinates |
Yes |
| Has disorder |
No |
| Has Fobs |
No |
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The link is:
https://www.crystallography.net/9002038.html
