Rough tourmaline - for faceting or rough gemstone jewelry - 2.478 ct - deep green verdelite

Certificate: RO-TOUR025BG-002-445

Gem Type: Tourmaline

Weight: 2.478 Carat

Shape: Rough

Size: 7.5 x 5.5 x 5.4 mm.

Color:  deep green

Clarity: Transparent

Luster: N/A

Treatment: Unheated Untreated

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

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