RO-TISP024BY-002-326

Natural greenish orangey yellow sphene - 10.583 ct - rough gemstone - for faceting

Certificate: RO-TISP024BY-002-326

Gem Type: Natural Titanite mineral Sphene

Weight: 10.583 Carat

Shape: Rough

Size: 14.5 x 10.3 x 8.7 mm.

Color: Greenish orangey yellow (video and pictures made with gemlight to accentuate 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