Birthstone for Krittika Nakshatra is based on its ruler Sun
or Surya. The stone can protect this Kartika or Karthigai Natchathiram born
people from the negative effects of Surya and helps in garnering the
positive energy of Sun god, one of the navgrahas in Hindu astrology. The
birthstone for Krittika Nakshatra is Ruby. The gemstone is known as Manik
or Manickyam in Hindi, Tamil and other regional languages in India .
Wearing the birth stone helps Krittika Nakshatra people in
their career. It improves health and gives mental strength. It also
provides peace and prosperity.
An alternative stone the nakshatra born people can wear is Cornelian or Onyx