Chemical Formula: (Mn,Mg)(Al,Fe+++)2O4
Help on Composition: Composition: Molecular Weight = 172.72 g
 
Oxygen 37.05 % O 0.00 % 0.00 %
Magnesium 1.41 % Mg 2.33 % MgO 0.00 %
Aluminum 29.68 % Al 56.08 % Al2O3 0.00 %
Manganese 28.63 % Mn 36.96 % MnO 0.00 %
Iron 3.23 % Fe 4.62 % Fe2O3 0.00 %


100.00 % 99.99 %
 
Help on Empirical Formula: Empirical Formula: Mn2+0.9Mg0.1Al1.9Fe3+0.1O4
Help on Environment: Environment: In carbonate-rich, silica undersaturated parts of metamorphosed manganese deposit
Help on Locality: Locality: Bald Knob near the town of Galax, Alleghany co., North Carolina, USA.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its location
Help on Synonym: Synonym: