Natural Faceted Agate - Blue Agate - 0.401 ct - oval

Natural Faceted Agate - Blue Agate - 0.401 ct - oval

Natural Gems Belgium Colored Stone Certification: FA-AGAT026BL-003-131

IDENTIFICATION

Species : Natural Chalcedony (a cryptocrystalline form of quartz)
Variety : Agate (Blue Agate)

DESCRIPTION

Shape & Cutting Style : oval, mixed cut
Measurements : 6.0 x 4.0 x 2.8 mm
Carat Weight : 0.401 Carat
Color : blue
Clarity : SI
Transparency : Transluscent

Birefringence : 0.004
Crystallography : Hexagonal (trigonal)
Dispersion : None
Luster : Waxy
Hardness : 6.5-7
Refractive index : 1.530-1.555
Specific gravity : 2.60-2.64

COMMENTS :

No indications of heating - good color

Personal Note From Natural Gems Belgium:

none

FIND THE ONLINE CERTIFICATE HERE