RO-AQUA024GB-002-246
Natural greenish blue Aquamarine - 4.780 ct - Rough Gemstone - for faceting
Certificate: RO-AQUA024GB-002-246
Gem Type: Aquamarine
Weight: 4.780 Carat
Shape: Rough
Size: 16.1 x 7.6 x 6.2 mm.
Color: Greenish Blue
Clarity: Transparent
Luster: N/A
Treatment: Unheated Untreated
Birefringence : 0.005-0.007.
Cleavage : Indistinct
Crystallography :Hexagonal
Dispersion : 0.014
Hardness : 7.5-8
Refractive index : 1.567-1.590
Specific gravity : 2.66-2.80
