Hardness : 7
Specific Gravity : 2.61
Refractive index : 1.53 - 1.5
Doubly Refracting (bi-refraction) : 0.004
Info :
Copyright © Friday 04/03/2026 GLI.
Designed by 4ss.net
Privacy Policy | Links | Gemstone Information | Translate to Japanese | Translate to French | Master Cut Gems | Sold Items Gallery