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Vinogradovite
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| Vinogradovite_1 Formula: (Ti.93 Nb.07) Si1.75 Al.15 Be.1 Na1.27 O7.223 H3 Name: Vinogradovite Unit cell: 24.5 8.662 5.211 90.0 100.13 90.0 , V=1088.63 Space group: C12/C1 (15) |
Kalsbeek N , Ronsbo J G , Zeitschrift fur Kristallographie , 200 (1992) p.237-245, Refinement of the vinogradovite structure, positioning of Be and excess Na, Locality: Ilimaussaq, Southern Greenland, Note: T = 295 K
