Kanakapushyaragam stone » is the Tamil name for a yellow sapphire, also known as Pukhraj or Pushparagam in other parts of India. It is a precious gemstone from the corundum family, prized for its yellow to golden hue, astrological significance, and hardness of 9.0 on the Mohs scale. In astrology, it is associated with the planet Jupiter and is believed to bring prosperity, good health, and success.