Natural White Crystal Opal - play of color - 0.67ct - oval - unheated -
This high-quality opal is unheated and boasts an impressive 0.67 carat oval cut with stunning play of color. Found in Ethiopia, it's a beautiful gemstone perfect for any collector or jewelry enthusiast looking for a unique addition to their collection.
Natural Gems Belgium Colored Stone Certification : FA-CROP024WH-001-084
IDENTIFICATION
Species : Natural Opal
Variety : White Crystal Opal
DESCRIPTION
Shape & Cutting Style : Oval , mixed cut
Measurements : 9.0 x 7.0 x 3.6 mm
Carat Weight : 0.67 Carat
Color : White equally split in yelowish 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:
This crystal opal is a white opal with a split orangy yellow shine on the longest side, both sides display different and entertaining play of color as the stone is moving. the color grade is good to very good, due to the Red-Orange-Green-Yellow-Violet-Blue Flashing Opaliscence that is good.
polish grade is good ,cut grade is fair, it is oval shaped with fair to good symmetry, luster is good
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
