Sicklerite

Formula: Li(Mn,Fe)PO4

Origin of name: for Sickler family, Pala, California, USA

 

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: about 4

Specific gravity: 3.45

Cleavage: 1; {100} good

Tenacity: 

Streak: 

 

Synonyms/varieties:

 

Comments: series with ferrisicklerite

 

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