It's colour is cow's urine.Rahu dasha lies for 18 years and its ill effects are curbed by hessonite(Gomed),
i.e. being mutinous detrimental, necklaces,
Conspiracy, black magic, tantra, evil thoughts,
wounds, imperialism, saves in suicide, win in court cases, property disputes. Finger- middle
Planet-rahu
Sign-virgo(Mithun)
Metal-silver, iron.
Source:- Ceylon , India(Odisha, Chennai), Africa.
Mantra:- Oum ram rahwe namah.