Chenevixite

Formula:  Cu₂Fe₂(AsO₄)₂(OH)₄ ^. H₂O

Origin of name:  For R. Chenevix, Irish-French chemist

Crystal system:  Monoclinic

Crystal class:  2/m

Twinning:

Unit cell:

Colour:  Dark green, olive-green to greenish-yellow

Diaphaneity:  Sub-translucent

Luster:  Greasy to dull

Habit:  Massive

Hardness:  3.5 to 4.5

Specific gravity:  4.38

Cleavage:  None

Tenacity:

Streak:  Greenish yellow

Synonyms/varieties:

Comments:  Series with luetheite