gigantolite

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• gigantolite — (entrée créée par le supplément) (ji gan to li t ) s. f. Terme de minéralogie. Silicate double d alumine et de magnésie …   Dictionnaire de la Langue Française d'Émile Littré

• Sekaninaite — ((Fe+2,Mg)2Al4Si5O18) is a mineral which has historically been known to occur only in one locality in Dolni Bory in Moravia. Until 1968 it was mistaken for cordierite. It was named after a Czech mineralogist, Josef Sekanina. Next to Brazilianite… …   Wikipedia