RO-APAT024BG-002-301

Natural brown Apatite - 1.604 ct - Rough Gemstone for faceting

Certificate: RO-APAT024BG-002-301

Gem Type: Apatite 

Weight: 1.604 Carat

Shape: Rough

Size: 7.4 x 5.4 x 4.7 mm.

Color: brown 

Clarity: semi-Translucent

Luster: N/A

Treatment: Unheated Untreated

Hardness: 5 on Mohs' scale

Birefringence : 0.001-0.013
Crystallography : Hexagonal
Dispersion : 0.013
Luster : Vitreous
Refractive index : 1.598-1.667
Specific gravity : 3.10-3.35