General Information:
Chemical Formula:KAl(Mg,Fe++)[ ]Si4O10(OH)2
Composition:(Molecular Weight = 404.62 gm)Potassium 9.66 %
K Magnesium 4.51 %
MgAluminum 6.67 %
AlIron 3.45 %
FeSilicon 27.76 %
SiHydrogen 0.50 %
H Oxygen 47.45 %
O Empirical Formula: KAlMg0.75Fe2+0.25Si4O10(OH)2
Synonym:Leucophyllite (Starkl 1883)
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