Kafehydrocyanite

General Information:
 Chemical Formula:
K4Fe++(CN)6·3(H2O)
 Composition:
(Molecular Weight = 422.39 gm)
Potassium 37.03 % K 
Iron 13.22 % Fe
Hydrogen 1.43 % H 
Carbon 17.06 % C 
Nitrogen 19.90 % N 
Oxygen 11.36 % O 
 Empirical Formula:
K4Fe2+(CN)6·3(H2O)
 Environment:
Natural origin in doubt. As stalagtites in mine workings.
 IMA Status:
Not IMA Approved
 Locality:
Medvizhii Log gold mine, Olkhovsk ore field, Sayan, Russia.
 Name Origin:
Named for it's composition.
Physical Properties:
 Cleavage:
[001] Good
 Color:
yellow or pale yellow green.
 Density:
1.98
 Habits:
Platy - Sheet forms (e.g. micas)., ,
 Hardness:
2-2.5 - Gypsum-Finger Nail
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