Natural White Crystal Opal - amazing play of color - 1.815 ct - oval - unheated
This natural white crystal opal showcases an unparalleled 1.815-carat oval cut with an amazing array of vivid colors. It is ethically sourced from Ethiopia and is a highly desired gemstone for collectors and jewelry enthusiasts seeking a one-of-a-kind piece.
Natural Gems Belgium Colored Stone Certification : FA-CROP024WH-002-009
IDENTIFICATION
Species : Natural Opal
Variety : White Crystal Opal
DESCRIPTION
Shape & Cutting Style : Oval , mixed cut
Measurements : 10.8 x 8.2 x 4.3 mm
Carat Weight : 1.815 Carat
Color : White with rainbow play of color opaliscence
Transparency : Transparent
Origin: Ethiopia
Birefringence : none
Crystallography : Amorphous
Dispersion : Very low
Luster : Iridescent
Hardness : 6-6.5
Refractive index : 1.37-1.47
Specific gravity : 2.10
COMMENTS :
Optical Effect : Opaliscence ( White-Red-Orange-Green-Yellow-Violet-Blue )
no indications of heating, no indications of other treatments
Personal Note From Natural Gems Belgium:
- cut grade : good
- color : amazing play of color very vivid even under normal sunlight
- symmetry : good
- polish : good
- carat weight : fair
FIND THE ONLINE CERTIFICATE HERE
for general impression take a look at the pictures
All items are sent insured with track and trace regardless of value