RO-TOUR025BG-002-439

Certificate: RO-TOUR025BG-002-439

Gem Type: Tourmaline

Weight: 2.801 Carat

Shape: Rough

Size: 7.4 x 6.7 x 5.7 mm.

Color: deep green verdelite (on borders bluish green)

Clarity: Transparent

Luster: N/A

Treatment: Unheated Untreated

Birefringence : 0.020
Crystallography : Hexagonal (trigonal)
Dispersion : 0.017
Luster : Vitreous
Hardness : 7