RO-TOUR025BG-002-448

Certificate: RO-TOUR025BG-002-448

Gem Type: Tourmaline

Weight: 1.153 Carat

Shape: Rough

Size: 8.6 x 3.5 x 3.2 mm.

Color:  bright bluish green to greenish blue

Clarity: Transparent

Luster: N/A

Treatment: Unheated Untreated

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