Rahu

When it is a benefic then it makes a person earn huge money and when it is malefic then it makes a person worse than a beggar. The mantras for the planet are:

Vedic mantra:

ऊँ कयानश्चित्र आभुवदूतीसदा वृध: सखा । कयाशश्चिष्ठया वृता।

Gayatri Mantra

ॐ नाकाध्वजाय विद्महे पद्माहस्ताय धीमहि तन्नो राहू: प्रचोदयात।

ॐ शिरोरूपाय विद्महे अमृतेशाय धीमहि तन्न: राहू: प्रचोदयात्।।

Beej mantra

ऊॅं ऐं हृीं राहवे नमः।

Tantrik mantra

ऊँ ऎं ह्रीं राहवे नम:

ऊँ भ्रां भ्रीं भ्रौं स: राहवे नम:

ऊँ ह्रीं ह्रीं राहवे नम:

Hessonite is the stone for Rahu. It is a very powerful and magical stone. Tursa and safi are the sub stones which can be used in place of hessonite.