Rough tourmaline - for faceting or rough gemstone jewelry - 1.004 ct - bright bluish green
additional light used to indicate clearness and colors
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
Find the online certificate here
