Heliodor
Structure : HexagonalHardness : 7.5
Specific Gravity : 2.8
Refractive index : 1.57 - 1.5
Doubly Refracting (bi-refraction) : 0.005
Copyright © Friday 10/11/2024 GLI.
Designed by 4ss.net
Privacy Policy | Links | Gemstone Information | Translate to Japanese | Translate to French | Master Cut Gems | Sold Items Gallery