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Boromullite
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| Boromullite.6876 Formula: Al4.5 B.5 Si O9.5 Name: Boromullite Unit cell: 5.7168 15.023 7.675 90.0 90.0 90.0 , V=659.16 Space group: Cmc21 (36) |
Buick I S , Grew E S , Armbruster T , Medenbach O , Yates M , Bebout G , Clarke G , European Journal of Mineralogy , 20 (2008) p.935-950, Boromullite, Al9BSi2O19, a new mineral from granulite-facies metapelites, Mount, Safford, central Australia: a natural analogue of a synthetic boron-mullite , Locality: Mount Safford, central Australia
