Carboirite

Formula:  FeAl₂GeO₅(OH)₂

Origin of name:  From locality; Carboire, France

Crystal system:  Triclinic

Crystal class:  -1

Twinning:

Unit cell:

Colour:  Green

Diaphaneity:

Luster:  Vitreous

Habit:  Pseudo-hexagonal plates, microscopic

Hardness:  6

Specific gravity:  3.95

Cleavage:  1; {001}

Tenacity:

Streak:

Synonyms/varieties:

Comments:  Series with chloritoid