Report · 005d3408-ed23-416f-ae64-f9df16049f0a
Gemstone Identification Report #064-2026
Tourmaline — —
Issued
03/03/2026
Olena Rybnikova, PhD · GIA
Origin
Mozambique
Species
Tourmaline
Specimen
—
Variety
Octagon
Weight
2.540 ct
Dimensions
10.5 x 5.5 x 4.5
R.I.
1.620 - 1.640
D.R.
0.020
Pleo.
Strong dark to light green
Fluor. LW
LW (365 nm) - inert
Fluor. SW
SW (254 nm) - inert
Chelsea
No reaction
Microscope
Feathers.
Treatment
Untreated
Origin
Mozambique
Report · 005d3408-ed23-416f-ae64-f9df16049f0a
Gemstone Identification Report #064-2026
Tourmaline — —
Issued
03/03/2026
Olena Rybnikova, PhD · GIA
Origin
Mozambique
Species
Tourmaline
Specimen
—
Variety
Octagon
Weight
2.540 ct
Dimensions
10.5 x 5.5 x 4.5
R.I.
1.620 - 1.640
D.R.
0.020
Pleo.
Strong dark to light green
Fluor. LW
LW (365 nm) - inert
Fluor. SW
SW (254 nm) - inert
Chelsea
No reaction
Microscope
Feathers.
Treatment
Untreated
Origin
Mozambique
No description provided.