Information card for entry 9016335
| Mineral name |
Rankamaite |
| Formula |
Al0.6 K1.26 Na2.22 Nb1.29 O31 Ta9.11 |
| Calculated formula |
Al0.6 K1.26 Na2.22 Nb1.29 O31 Ta9.11 |
| Title of publication |
Rankamaite from the Urubu pegmatite, Itinga, Minas Gerais, Brazil: Crystal chemistry and Rietveld refinement Note: Identification of OH not reported |
| Authors of publication |
Atencio, D.; Contreira, R. R.; Mills, S. J.; Coutinho, J. M. V.; Honorato, S. B.; Ayala, A. P.; Ellena, J.; De Andrade, M. B. |
| Journal of publication |
American Mineralogist |
| Year of publication |
2011 |
| Journal volume |
96 |
| Pages of publication |
1455 - 1460 |
| a |
17.224 Å |
| b |
17.687 Å |
| c |
3.9361 Å |
| α |
90° |
| β |
90° |
| γ |
90° |
| Cell volume |
1199.1 Å3 |
| Number of distinct elements |
6 |
| Space group number |
21 |
| Hermann-Mauguin space group symbol |
C 2 2 2 |
| Hall space group symbol |
C 2 2 |
| Has coordinates |
Yes |
| Has disorder |
No |
| Has Fobs |
No |
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The link is:
https://www.crystallography.net/9016335.html
