Report · fcd3e0fd-51f2-43cd-b04f-1cb087b7f8ab
Gemstone Identification Report #003-2026
Ruby, Corundum — —
Issued
02/03/2026
Olena Rybnikova, PhD · GIA
Origin
Tanzania
Species
Ruby, Corundum
Specimen
—
Variety
Cabochon
Weight
2.070 ct
Dimensions
9.0 x 7.0 x 3.0
R.I.
1.76 spot reading
Fluor. LW
LW (365 nm) - strong red
Fluor. SW
SW (254 nm) - inert
Chelsea
Strong Red
Microscope
System of fractures, white crystal inclusions, black crystal inclusions, host-rock residues.
Treatment
Heated
Origin
Tanzania
Report · fcd3e0fd-51f2-43cd-b04f-1cb087b7f8ab
Gemstone Identification Report #003-2026
Ruby, Corundum — —
Issued
02/03/2026
Olena Rybnikova, PhD · GIA
Origin
Tanzania
Species
Ruby, Corundum
Specimen
—
Variety
Cabochon
Weight
2.070 ct
Dimensions
9.0 x 7.0 x 3.0
R.I.
1.76 spot reading
Fluor. LW
LW (365 nm) - strong red
Fluor. SW
SW (254 nm) - inert
Chelsea
Strong Red
Microscope
System of fractures, white crystal inclusions, black crystal inclusions, host-rock residues.
Treatment
Heated
Origin
Tanzania
No description provided.