What is "ripidolite"

Ripidolite \Ri*pid"o*lite\, n. [Gr. ???. ???. fan + -lite.] (Min.) A translucent mineral of a green color and micaceous structure, belonging to the chlorite group; a hydrous silicate of alumina, magnesia, and iron; -- called also clinochlore.

n. (context mineralogy English) A translucent green chlorite mineral of micaceous structure; a hydrous silicate of alumina, magnesia, and iron.