General Information:
Chemical Formula:CaFe++As+++3O7·3(H2O)
Composition:(Molecular Weight = 486.73 gm)Calcium 8.23 %
CaIron 11.47 %
FeArsenic 46.18 %
AsHydrogen 1.24 %
H Oxygen 32.87 %
O Empirical Formula: CaFe2+As3O7·3(H2O)
Environment:Oxidation product on skutterudite-loellingite ores.
IMA Status:Approved IMA 1981
Locality:Western Siberia, Russia.
Name Origin:Named for Eugeni Konstatinovich Lazarenko (1912-1979), meralogist, academician, Academy of Science, Ukraine.
Physical Properties: Color:light orange.
Density:3.45
Habits:Fibrous - Crystals made up of fibers., Encrustations - Forms crust-like aggregates on matrix.,
Hardness:1 - Talc
Luster:Resinous
Streak:light yellow
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