Menu
Home
Cart

0

Chemical and physical properties of Neelam Stone

  • Mohs scale hardness : 9.0
  • Luster : Luster
  • Streak : white
  • Specific gravity : 3.95–4.03
  • Optical properties : 72.2
  • Refractive index : 1.768–1.772, 1.760–1.763