2.98 ct Namibian Blue-Green Tourmaline

Collector's Note
A nearly three-carat natural tourmaline with a saturated blue-green appearance and an unusual buff-top cutting style. Its oval outline carries broad flashes of green and teal as the stone moves, while the 2.98 ct size gives it strong visual presence.

Gemstone Details
Gemstone: Natural Blue-Green Tourmaline
Species: Natural Tourmaline
Weight: 2.98 ct
Shape / Cut: Oval Buff Top Modified Brilliant Cut
Measurements: 10.00 x 8.47 x 5.87 mm
Origin: Namibia
Treatment: Not documented

O50 Collector Evaluation
Otzera 50: 33/50 — Collectible
Face-Up Performance: 75%

Treatment & Origin Disclosure
The current Otzera record lists Namibia as the geographic origin. No treatment or independent laboratory report is documented in the current record.

Care & Setting
Tourmaline is suitable for jewelry wear with sensible care. Clean with warm water, mild soap and a soft brush; avoid sudden temperature changes and aggressive cleaning methods.

Digital Gem Passport
Accompanied by an Otzera Digital Gem Passport preserving its identifying details, origin and treatment disclosures, and O50 evaluation.