RO-AQUA024GB-002-274
Natural greenish blue Aquamarine - 4.639 ct - Rough Gemstone - for faceting
Certificate: RO-AQUA024GB-002-274
Gem Type: Aquamarine
Weight: 4.639 Carat
Shape: Rough
Size: 12.6 x 9.7 x 5.7 mm.
Color: Light 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
