RO-SPIN024RE-001-075

Natural Red Spinel - 1.67 ct - Rough Gemstone - unheated

Certificate: RO-SPIN024RE-001-075

Gem Type: Spinel

Weight: 1.67 Carat

Shape: Rough

Size: 7.5 x 5.6 x 4.1 mm.

Color: Red

Clarity: Semi-Translucent

Luster: N/A

Treatment: Unheated Untreated

Hardness: 7.5-8 on Mohs' scale

Crystallography : Isometric
Dispersion : 0.013
Luster : N/A
Hardness : 7.5-8
Refractive index : 1.715-1.747
Specific gravity : 3.55 to 3.90