Chemical Formula: (Fe++,Zn,Mg)2Al6BeO12
Help on Composition: Composition: Molecular Weight = 470.24 g
 
Beryllium 1.72 % Be 4.79 % BeO 0.00 %
Oxygen 40.83 % O 0.00 % 0.00 %
Magnesium 1.03 % Mg 1.71 % MgO 0.00 %
Aluminum 34.43 % Al 65.05 % Al2O3 0.00 %
Iron 17.81 % Fe 22.92 % FeO 0.00 %
Zinc 4.17 % Zn 5.19 % ZnO 0.00 %


99.99 % 99.66 %
 
Help on Empirical Formula: Empirical Formula: Fe2+1.5Zn0.3Mg0.2Al6Be0.9O12
Help on Environment: Environment: Wall zone of a granitic pegmatite in "hornblende" gabbro
Help on Locality: Locality: Rosendal pegmatite, Kemio (Kimito) Island, southwestern Finland.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Gunnar Pehrman (1895-?), Emeritus Professor of Mineralogy and Geology, Abo University, Turku, Finland
Help on Synonym: Synonym: