Ferroleakeite Mineral Data
General Ferroleakeite Information
Chemical Formula:
NaNa2(Fe++)3(Fe+++)2Li(Si8O22)(OH)2
Composition:
Molecular Weight = 965.83 gm
Sodium 7.14 % Na 9.63 % Na2 O
Lithium 0.72 % Li 1.55 % Li2 O
Iron 28.91 % Fe 22.32 % FeO / 16.53 % Fe2 O3
Silicon 23.26 % Si 49.77 % SiO2
Hydrogen 0.21 % H 1.87 % H2 O
Oxygen 39.76 % O
______ ______
100.00 % 101.66 % = TOTAL OXIDE
Empirical Formula:
Na3 Fe2+ 3 Fe3+ 2 Li(Si8 O22 )(OH)2
IMA Status:
Proposed IMA 1997 (Dana # Added)
Locality:
Link to MinDat.org Location Data.
Name Origin:
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). Dashkensanite (1936) was revalidated and renamed 2005.
Name Pronunciation:
Ferroleakeite + Pronunciation