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Holtite
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| Holtite Formula: Al6.43 Ta.27 Si2.25 Sb.75 B O17.25 Name: Holtite Unit cell: 4.6914 11.896 20.383 90.0 90.0 90.0 , V=1137.55 Space group: PNMA (62) |
Hoskins B F , Mumme W G , Pryce M W , Mineralogical Magazine , 53 (1989) p.457-463, Holtite, (Si2.25Sb0.75)B[Al6(Al0.43 Ta0.27[]0.30)O15(O,OH)2.25]:, crystal structure and crystal chemistry, Locality: Greenbrushes, Australia
