RO-TOUR025BG-002-447

Certificate: RO-TOUR025BG-002-447

Gem Type: Tourmaline

Weight: 1.004 Carat

Shape: Rough

Size: 8.2 x 3.6 x 3.5 mm.

Color:  bright bluish green

Clarity: Transparent

Luster: N/A

Treatment: Unheated Untreated

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