A dark green brittle mica. An intermediate between "xanthophyllite" (= clintonite) and chloritoid. [Clark, 1993 - "Hey's Mineral Index"]
Originally described from Mavinhalli, Mysore, Karnataka, India.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.