I do not know why, but I always come back to this colour. The blue . Light and dark . I try to make other things with other colours, and sometimes I succeed. Then I need to make something blue again. The name Kyanite comes from the Greek word “kyanos” – meaning blue. If you are into geology, there is plenty of information over at  mindat, an excellent source of information on all things mineral.  If you are into the metaphysical aspect of things, the stone is “unlimited in application” according to a website. Not so happy with the picture though, it is a constant work in progress.