RO-TISP024BY-002-331

Natural greenish yellow sphene - 4.078 ct - fair to good clarity - good fire possibilities - rough gemstone for faceting

Certificate: RO-TISP024BY-002-331

Gem Type: Natural Titanite mineral Sphene

Weight: 4.078 Carat

Shape: Rough

Size: 10.8 x 7.7 x 6.5 mm.

Color: Slight orangey 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