Chemical Formula: BaMn+++2(Si2O7)(OH)2·(H2O)
Help on Composition: Composition: Molecular Weight = 467.4 g
 
Barium 29.38 % Ba 32.80 % BaO 0.00 %
Manganese 23.51 % Mn 33.78 % Mn2O3 0.00 %
Silicon 12.02 % Si 25.71 % SiO2 0.00 %
Hydrogen 0.86 % H 7.71 % H2O 0.00 %
Oxygen 34.23 % O 0.00 % 0.00 %


100.00 % 100.00 %
 
Help on Empirical Formula: Empirical Formula: BaMn3+2(Si2O7)(OH)2·(H2O)
Help on Environment: Environment: As a replacement of NaMn amphibole nemansilite and serandite and as the main or sole constituent of tiny veinlets
Help on Locality: Locality: The Woods mine 30 km NNE of Tamworth, New South Wales, Australia.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For William Noel Benson (1855-1957), of the University of Otago, in recognition of his pioneering research in the Great Serpentine Belt and New England Fold Belt of New South Wales, Australia
Help on Synonym: Synonym: IMA1994-058