Not discovered until the end of the 1800s and name after itís discoverer, the French palaeontologist Eugene Dumortier. Dumortierite has become assciated with the planet Uranus because it is believed by some that both crystal and planet bring about change in unexpected ways.
Dumortierite is an aluminium borate silicate mineral, itís crystal system is orthorhombic. Itís usual growing habits are massive, radiating, fibrous and columnar.
Sometimes it forms prismatic crystals.
Itís colour include dark blue, violet blue and red-brown and can be found in Brazil, Sri Lanka, Madagascar, Canada, Poland, France, Namibia and the USA.

Dumortieriteís energies is said to help support those who feel mentally foggy, unable to focus or concentrate, or energetically blocked.