CA-MOON024LB-002-106

Natural Gems Belgium Certification : CA-MOON024LB-002-106

IDENTIFICATION : Natural Moonstone - rainbow adularescence - 3.054 ct - oval - certified natural

Species : Natural Orthoclase (Anorthoclase)
Variety : Rainbow Moonstone

DESCRIPTION

Shape & Cutting Style : Oval cabochon, polished both sides
Carat Weight :  3.054 Carat
Measurements : 12.8 x 8.0 x 3.9 mm
Color : milky white to clear with rainbow adularescence (yellow orange red, brown, green, blue)
Transparency : Transparant
Hardness : 6.0
Birefringence : 005–0.006
Crystallography : monoclinic
Luster : Opalescent - Vitreous
Refractive index : 1.520-1.525
Specific Gravity : 2.56-2.59

COMMENTS :

No indications of heating, no indications of any other treatment

Adularescence is caused by the diffraction of light as it hits thin, alternating layers of orthoclase and albite within the gem. This produces the appearance of a floating, cloud-like, blue to white light inside the gem. A blue sheen is produced if the albite crystals are very fine. 

Personal Note From Natural Gems Belgium:

this milky white to clear with rainbow adularescence (yellow orange red, brown, green, blue) moonstone gemstone is all natural, and it's cut grade is good, symmetry is good, polish is good, luster is good to very good.