Lausenite

Formula:  Fe2(SO4)3 . 6H2O

Origin of name:  For Carl Lausen, mining engineer

 

Crystal system:  Monoclinic

Crystal class:  Unknown

Twinning: 

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Colour:  White

Diaphaneity: 

Luster:  Silky

Habit:  Aggregates of minute fibres

Hardness:

Specific gravity:

Cleavage:  None

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