FA-APAT026BL-003-141

Natural Apatite - 0.100 ct - round - blue - brazil

Natural Gems Belgium Colored Stone Certification FA-APAT026BL-003-141

IDENTIFICATION

Species : Natural Phosphate mineral
Variety : Apatite

DESCRIPTION

Shape & Cutting Style : round , brilliant Cut
Measurements : 3.0 x 3.0 x 1.7 mm
Carat Weight : 0.100 Carat
Color : blue
Clarity : comparable to SI
Transparency : transparent

Birefringence : 0.001-0.013
Crystallography : Hexagonal
Dispersion : 0.013
Luster : Vitreous
Hardness : 5
Refractive index : 1.598-1.667
Specific gravity : 3.10-3.35

COMMENTS :

Apatite is commonly heated forstabilizing the brittle structure to avoid chips in faceting. No indications of any other treatment

Personal Note From Natural Gems Belgium:

Cut: very good
Symmetry : very good
color : very good
Clarity: comparable to SI (good for Apatite)
Carat : jewelry size