Gaitite

Formula:  Ca₂Zn(AsO₄)₂ ^. 2H₂O

Origin of name:  For Robert Gait, South African-Canadian mineralogist

Crystal system:  Triclinic

Crystal class:  Unknown

Twinning:

Unit cell:

Colour:  Colourless to white

Diaphaneity:

Luster:  Vitreous

Habit:  Crystals to 1 mm; thin coatings

Hardness:  5

Specific gravity:  3.81

Cleavage:  3; {010}, {001} and {0-11} good

Tenacity:

Streak:

Synonyms/varieties:

Comments:  Dimorphous with zincrosasite; series with talmessite