andalusite

1 definition found

andalusite - Collaborative International Dictionary of English v.0.48 :

  Andalusite \An`da*lu"site\, n. (Min.)
     A silicate of aluminium, occurring usually in thick rhombic
     prisms, nearly square, of a grayish or pale reddish tint. It
     was first discovered in Andalusia, Spain.
     [1913 Webster]