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.