Budh (Mercury) in Vedic astrology: meaning, signs, gem and mantra

Stands for
intellect, speech, trade, writing, maths and friends
Rules
Mithuna, Kanya
Exalted in
Kanya
Debilitated in
Meena
Day
Wednesday
Colour
green
Gem
emerald
Mahadasha
17 years
Nakshatras it rules
Ashlesha, Jyeshtha, Revati
Mantra
ॐ बुधाय नमः

Worship Ganesh on Wednesdays; feed green grass to cows.

Surya · Chandra · Mangal · Budh · Guru · Shukra · Shani · Rahu · Ketu