Report · 8cd53073-82ac-41a2-a300-8d362294e834

Gemstone Identification Report #106-2026

Tourmaline — —

Issued

11/06/2026

Olena Rybnikova, PhD · GIA

The Raman spectrum corresponds to elbaite tourmaline. See the RRUFF database (https://www.rruff.net/) for comparison.

The main absorption band in green region (470-550nm) corresponds to manganese (3+) and resulting in pink color of the tourmaline. See the Mineral Spectroscopy Server (http://minerals.gps.caltech.edu/) for comparison.

Origin

Mozambique

Species

Tourmaline

Specimen

—

Variety

Pear

Weight

0.490 ct

Dimensions

6.16 x 4.56 x 2.80 mm

R.I.

1.622 - 1.638

S.G.

3.03

D.R.

0.016

Pleo.

Strong reddish purple to light orange.

Fluor. LW

Inert

Fluor. SW

Inert

Chelsea

Inert

Microscope

Thread-like liquid and gas inclusions (trichites), growth tubes.

Treatment

Untreated

Origin

Mozambique

Report · 8cd53073-82ac-41a2-a300-8d362294e834

Gemstone Identification Report #106-2026

Tourmaline — —

Issued

11/06/2026

Olena Rybnikova, PhD · GIA

Origin

Mozambique

Species

Tourmaline

Specimen

—

Variety

Pear

Weight

0.490 ct

Dimensions

6.16 x 4.56 x 2.80 mm

R.I.

1.622 - 1.638

S.G.

3.03

D.R.

0.016

Pleo.

Strong reddish purple to light orange.

Fluor. LW

Inert

Fluor. SW

Inert

Chelsea

Inert

Microscope

Thread-like liquid and gas inclusions (trichites), growth tubes.

Treatment

Untreated

Origin

Mozambique

No description provided.