18.5ct Hydrothermal Beryl Blue Aquamarine Collectible Crystal Lab Created Rough

Created Beryl

Lot R969

Color: Blue

Type: Full crystal with seed

Size: 21x13x8 mm 

Weight: 18.58 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