General Information:
Chemical Formula:NaMg(Al,Fe+++)(C2O4)3·8(H2O)
Composition:(Molecular Weight = 494.00 gm)Sodium 4.65 %
NaMagnesium 4.92 %
MgAluminum 3.28 %
AlIron 4.52 %
FeHydrogen 3.26 %
H Carbon 14.59 %
C Oxygen 64.77 %
O Empirical Formula: NaMgAl0.6Fe3+0.4(C2O4)3·8(H2O)
Environment:Lignite or coal mines.
IMA Status:Approved IMA 1963
Locality:Chaitumusuk deposits, Lena River, Siberia.
Name Origin:Named for Yurii Apollonovich Zhemchezhnikov (1885-1957), Russian geologist.
Physical Properties: Cleavage:[0001] Good
Color:gray green or violet.
Density:1.69
Diaphaniety:Transparent to Translucent
Habits:Acicular - Occurs as needle-like crystals., Fibrous - Crystals made up of fibers., Water Soluble - Water soluble mineral.
Hardness:2 - Gypsum
Luster:Vitreous (Glassy)
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