
General Information:

Chemical Formula:
Na(CaNa)(Mg,Fe++)3Fe+++2[Si6Al2O22](OH)2

Composition:
(Molecular Weight = 910.69 gm)
Sodium 5.05 %
NaCalcium 4.40 %
CaMagnesium 5.34 %
MgAluminum 5.93 %
AlIron 18.40 %
FeSilicon 18.50 %
SiHydrogen 0.22 %
H Oxygen 42.16 %
O 
Empirical Formula:
Na2CaMg2Fe2+Fe3+2(Si6Al2O22)(OH)2

Environment:
Nepheline-bearing igneous rocks.

IMA Status:
Approved IMA 1978

Locality:
Wali-tarama, Mariupol, Ukraine.

Name Origin:
Named after the chemical composition and the locality.
Physical Properties:

Cleavage:
[110] Perfect
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