Chemical Formula: (Mg,Fe++)Al3(BO4)(SiO4)O
Help on Composition: Composition: Molecular Weight = 296.03 g
 
Boron 3.65 % B 11.76 % B2O3 0.00 %
Oxygen 48.64 % O 0.00 % 0.00 %
Magnesium 6.16 % Mg 10.21 % MgO 0.00 %
Aluminum 27.34 % Al 51.67 % Al2O3 0.00 %
Silicon 9.49 % Si 20.30 % SiO2 0.00 %
Iron 4.72 % Fe 6.07 % FeO 0.00 %


100.00 % 100.01 %
 
Help on Empirical Formula: Empirical Formula: Mg0.75Fe2+0.25Al3(BO4)(SiO4)O
Help on Environment: Environment: Pegmatite
Help on Locality: Locality: Andrahomana, southwest of Fort Dauphin, southern Madagascar.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin:
Help on Synonym: Synonym: