RO-TISP024BY-002-312

Natural light brownish yellow sphene - 2.501 ct - rough gem - for faceting or rough gemstone jewelry

Certificate: RO-TISP024BY-002-312

Gem Type: Natural Titanite mineral Sphene

Weight: 2.501 Carat

Shape: Rough

Size: 7.8 x 6.5 x 5.7 mm.

Color: Light Brownish yellow

Clarity: Transparent

Luster: N/A

Treatment: unheated, untreated

Birefringence : 0.100-0.192.
Cleavage : Distinct 1 direction
Crystallography : Monoclinic
Dispersion : 0.051 (strong)
Hardness : 5- 5.5
Inclusions : feathers
Refractive index : 1.843-2.110
Specific gravity : 3.45-3.55

COMMENTS :

No indications of heating - No indications of treatment