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Gaudefroyite
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| Gaudefroyite Formula: Ca4 Mn3 B3 C O15 Name: Gaudefroyite Unit cell: 10.589 10.589 5.891 90.0 90.0 120.0 , V=572.04 Space group: P63/M (176) |
Hoffmann C , Armbruster T , Kunz M , European Journal of Mineralogy , 9 (1997) p.7-19, Structure refinement of (001) disordered gaudefroyite Ca4Mn3[(BO3)3(CO3)O3]:, Jahn-Teller-distortion in edge-sharing chains of MnO6 octahedra
