Kafehydrocyanite

Formula:  K4Fe(CN)6 . 3H2O

Origin of name:  From composition

 

Crystal system:  Tetragonal

Crystal class:  4/m

Twinning: 

Unit cell: 

 

Colour:  Lemon-yellow, pale yellow green

Diaphaneity: 

Luster: 

Habit:  Stalactites; aggregates of microscopic plates forming incrustations

Hardness:  2 to 2.5

Specific gravity:  1.98

Cleavage:  1; {001}

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: 

 

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