FA-OPPC024WH-002-011

Natural Gems Belgium Colored Stone Certification : FA-OPPC024WH-002-011

IDENTIFICATION : Natural White Opal - play of color - 2.003 ct - oval - unheated

Species : Natural Opal
Variety : White Opal

DESCRIPTION

Shape & Cutting Style : Oval cabochon, polished both sides
Measurements : 10.9 x 8.1 x 5.2 mm
Carat Weight : 2.003 Carat
Color : White-Orange-Green-Yellow-Violet-Blue Flashing
Transparency : Semi-Translucent
Origin: Yita Ridge, Ethiopia

Birefringence : none
Crystallography : Amorphous
Dispersion : Very low
Luster : Play of color floral rainbow
Hardness : 6-6.5
Refractive index : 1.37-1.47
Specific gravity : 2.10

COMMENTS :

Optical Effect : Opaliscence (Floral Rainbow)

no indications of heating, no indications of other treatments

Personal Note From Natural Gems Belgium:

Color : good - play of fire visible without additional light
Cut : fair to good
symmetry : fair to good
clarity : fair
polish : good