Ferrisicklerite

Formula:  Li(Fe,Mn)PO4

Origin of name:   From ferric iron (Fe3+) and sicklerite

 

Crystal system:  Orthorhombic

Crystal class:  2/m 2/m 2/m

Twinning:

Unit cell: 

 

Colour:  Yellowish brown to dark brown

Diaphaneity:  Opaque

Luster:   Dull

Habit:  Massive

Hardness:  ~4

Specific gravity:  3.41

Cleavage:  1; {100} good

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments:  Series with sicklerite

 

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