RO-SCAP024PU-002-253

Natural deep purple violet Scapolite - 3.455 ct - rough gemstone - for faceting - magnificent color

Certificate: RO-SCAP024PU-002-253

Gem Type: Tectosilicates - Natural Scapolite

Weight: 3.455 Carat

Shape: Rough

Size: 7.1 x 7.1 x 6.8 mm.

Color: deep violet purple

Clarity: Semi-Transluscent

Luster: N/A

Treatment: unheated, untreated

Birefringence : 0.007-0.014.
Cleavage : Perfect/distinct in two directions
Crystallography : Tetragonal
Dispersion : 0.017
Hardness : 5.5-6
Refractive index : 1.531-1.600 (1.539-1.540)
Specific gravity : 2.50-2.78 (2.59)

COMMENTS :

No indications of heating - No indications of treatment