FA-APAT026GR-003-431

Natural Green Apatite - pear faceted - 0.413 ct - loose gemstone

Natural Gems Belgium Colored Stone Certification FA-APAT026GR-003-431

IDENTIFICATION

Species : Natural Phosphate mineral
Variety : Apatite

DESCRIPTION

Shape & Cutting Style : Pear , mixed Cut
Measurements : 5.9 x 3.8 x 2.6 mm
Carat Weight : 0.413 Carat
Color : green
Clarity : comparable to VS
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 VS ( very good for Apatite)
Carat : jewelry size