Lab Grown gems are made under controlled environment with same chemical compositions as of a natural gemstone.
LAB GROWN BLUE SAPPHIRE PROPERTIES:-
* Chemical Formula-Al203
* Hardness-9
* Luster-Subadamantine To Vitreous
* Stability-Very Good
* Fracture-Conchoidal
* Refractive Index -1.762-1.77
Lab Grown Ruby Properties:-
* Chemical Formula-Al203
* Hardness-9
* Luster-Subadamantine To Vitreous
* Stability-Very Good
* Fracture-Conchoidal
* Refractive Index -1.762-1.77
Lab Grown Emerald Properties
Lab Grown Columbian Emerald
CHEMICAL COMPOSITION :- BeALSIO (Beryllium Aluminiumsilicate ). Similar to natural emerald.
SPECIFIC GRAVITY :- 2.66-2.69
REFRACTIVE INDEX :- 1.561-1.571
HARDNESS: 7-7.5