Report · 5b584b32-b652-417b-8ee8-318c38d0941d
Gemstone Identification Report #055-2026
Zircon — —
Issued
03/03/2026
Olena Rybnikova, PhD · GIA
Origin
Tanzania
Species
Zircon
Specimen
—
Variety
Heart
Weight
2.890 ct
Dimensions
8.7 x 7.7 x 4.5
R.I.
OTL (over the limit of the refractometer)
D.R.
Not applicable
Pleo.
Weak
Fluor. LW
LW (365 nm) - inert
Fluor. SW
SW (254 nm) - weak yellow
Chelsea
No reaction
Microscope
Color zoning, visible doubling.
Treatment
Untreated
Origin
Tanzania
Report · 5b584b32-b652-417b-8ee8-318c38d0941d
Gemstone Identification Report #055-2026
Zircon — —
Issued
03/03/2026
Olena Rybnikova, PhD · GIA
Origin
Tanzania
Species
Zircon
Specimen
—
Variety
Heart
Weight
2.890 ct
Dimensions
8.7 x 7.7 x 4.5
R.I.
OTL (over the limit of the refractometer)
D.R.
Not applicable
Pleo.
Weak
Fluor. LW
LW (365 nm) - inert
Fluor. SW
SW (254 nm) - weak yellow
Chelsea
No reaction
Microscope
Color zoning, visible doubling.
Treatment
Untreated
Origin
Tanzania
No description provided.