Eveite

Formula:   Mn2(AsO4)(OH)

Origin of name:   For Eve, because the mineral is closely related to adamite

 

Crystal system:   Orthorhombic

Crystal class:   2/m 2/m 2/m

Twinning:

Unit cell: 

 

Colour:  Apple-green

Diaphaneity:

Luster:

Habit:   Crystals tabular or sheaf-like

Hardness:   4

Specific gravity:   3.76

Cleavage:   1; {101} fair

Tenacity: 

Streak:   White

 

Synonyms/varieties:

 

Comments:

 

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