4.8ct Hydrothermal Bi-color Beryl Green & Purple Collectible Crystal Lab Created

Created Beryl

Lot R676

Color: Green and Purple

Type: Rough

Size: 11.9x7.9x4 mm 

Weight: 4.88 ct

Mineral: Beryl

Chemical Formula: Be3Al2Si6O18
Crystal System: Hexagonal
Hardness (Mohs): 7.5
Refractive Index: 1.564-1.602
Density, g/cm3: 2.7
Dispersion: 0.014
Growth Method: Hydrothermal