Using Logic To Get Some Valences of Mangan Neptunite

The mineral mangan neptunite has the empirical formula K2Na4Li2Mn3Fe2+Ti4Si16O48 It's been found locally here in St.Hilaire and samples on ebay are not cheap. The compound fascinates me because it consists of seven oxides, all of which are binary compounds. Can you give formulas for each of the oxides? We expect you to get the answer from... Continue Reading →

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