RO-TISP024BY-002-327

Natural yellow sphene - 2.815 ct - good clarity - fair fire - rough gemstone - for faceting

Certificate: RO-TISP024BY-002-327

Gem Type: Natural Titanite mineral Sphene

Weight: 2.815 Carat

Shape: Rough

Size: 9.3 x 7.4 x 6.1 mm.

Color: Slight greenish yellow (video and pictures made with gemlight to accentuate clarity and possible fire if chosen right direction for faceting)

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
Refractive index : 1.843-2.110
Specific gravity : 3.45-3.55

COMMENTS :

No indications of heating - No indications of treatment