RO-SCAP024PU-002-255

Natural light violet Scapolite - 1.681 ct - rough gemstone - for faceting

 

Certificate: RO-SCAP024PU-002-255

Gem Type: Tectosilicates - Natural Scapolite

Weight: 1.660 Carat

Shape: Rough

Size: 10.2 x 7.5 x 4.7 mm.

Color: light pinkish violet

Clarity: Transparent

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