Dumortierite is used as an ornamental stone in the manufacture of souvenirs, in jewelry (jewelry quality dumortierite), as well as as a collectible mineral. Dumortierite is also used in the manufacture of high-grade porcelain.
The exact correspondence according to the signs of the zodiac has not been revealed. The talisman stone is best chosen "for the task" or intuitively if the stone attracts and is very pleasant. Take it in your hand, hold it for a bit, think about your task and if you feel comfortable with this stone in your hand, then it definitely suits you.