Natural Orange Crystal Opal - 2.82 ct - Fire Opal - Ethiopia - untreated

It is often misunderstood that every orange opal is a fire opal - an orange opal is only a fire opal when there is a play of color in the crystal

Additional lighting is used to show brightness and color play

Natural Gems Belgium Colored Stone Certification : FA-OPCR025FI-003-008

IDENTIFICATION

Species : Natural Opal
Variety : Orange Crystal Opal (fire opal)

DESCRIPTION

Shape & Cutting Style : Pear cabochon, polished both sides
Measurements : 12.0 x 8.0 x 5.6 mm
Carat Weight : 2.82 Carat
Color : Orange
Optical Phenomenon : opalescence
Transparency : semi-transparent
Origin: Ethiopia

Birefringence : none
Crystallography : Amorphous
Dispersion : Very low
Luster : Resinous
Hardness : 6-6.5
Refractive index : 1.37-1.47
Specific gravity : 1.95 - 2.00

COMMENTS :

Optical Effect : opaliscence (fire opal)

It is often misunderstood that every orange opal is a fire opal - an orange opal is only a fire opal when there is a play of color in the crystal.

no indications of heating, no indications of other treatments

Personal Note From Natural Gems Belgium:

Color : good to very good
Polish : good to very good
Carat Weight : Fair to good
symmetry : very good
clarity : Opaliscence

FIND THE ONLINE CERTIFICATE HERE