Report · 75487097-164d-4e32-bb58-ea6abe35e65a

Gemstone Identification Report #020-2026

Sapphire, Corundum

Issued

03/03/2026

Olena Rybnikova, PhD · GIA

Origin

Australia

Species
Sapphire, Corundum
Specimen
Variety
Pear
Weight
0.470 ct
Dimensions
5.5 x 4.0 x 2.7
R.I.
1.760 - 1.768
D.R.
0.008
Pleo.
Moderate violetish blue to light greenish blue
Fluor. LW
LW (365 nm) - inert
Fluor. SW
SW (254 nm) - inert
Chelsea
No reaction
Microscope
Straight blue color zoning, healed fractures.
Treatment
Heated
Origin
Australia

No description provided.