History of the star: A yellow star at the vertex of the Triangle Triangulum. Mothallah, Metallah, or Al-Muthallath, "The triangle". Caput Trianguli was translated Ras al Muthallath by the Arabian astronomers. It is a half-magnitude inferior to beta, although the latter bears no name. Together these two were the Arabs' Al Mizan, "the Scale-beam". [Star Names, Their Lore and Meaning, Richard Hinchley Allen, 1889]. 

The general astrological influences of the star: This star has the planetary nature of Mercury and indicates those of a just nature and those whose living is made in the legal profession. (Noonan).