Gem Type: Beryl - Heliodor Weight: 6.340 Carat Shape: Rough Size: 19.4 x 11.8 x 6.8 mm. Color: Very light yellowish green Clarity: transparent Luster: N/A Treatment: no indications of treatment
Birefringence : 0.005-0.009 Hardness : 7.5 to 8.0 Inclusions : N/A Refractive index : 1,566 - 1,583 Specific gravity : 2.72 to 2.80 Dispersion : 0.014