amphibole formula unit calculator
This calculator coverts wight percent oxides to formula units for major rock-forming minerals. Determining Fe2+/Fe3+ ratio is available for amphiboles only using Droop (1972) algorithm.
This calculator coverts wight percent oxides to formula units for major rock-forming minerals. Determining Fe2+/Fe3+ ratio is available for amphiboles only using Droop (1972) algorithm.
