Question: what is the difference between yellow sapphire and topaz?
Answer: Topaz Gemstone appears quite identical to yellow sapphire or Pukhraj as they have a similar yellow color. Topaz having hardness of 8.00 on Mohs scale. ... Topaz is much cheaper as compared to yellow sapphire. Topaz is found abundantly on earth while yellow sapphire is rare and, therefore, much more expensive than Topaz.