Kyanite's elongated, columnar crystals are usually a good first indication of the mineral, as well as its color (when the specimen is blue).
Ama-kyanite ahlanganisiwe, amakhemikhali e-columnar ngokuvamile ayibonakaliso yokuqala ye-mineral, kanye nombala wawo (uma ucwecwe luhlaza okwesibhakabhaka).