Country origin record

Nigeria

Country record supporting sourced Batch 1 gemstone locations.

Evidence statusPublished & sourcedLast reviewed August 17, 2026

Evidence-backed overview

A country in the gemstone graph

Country record supporting sourced Batch 1 gemstone locations.

Bidirectional relationships

Documented gemstones

Occurrence and production are separate claims. A production label is date-bounded and does not guarantee quality, origin determination, or market value.

Documented occurrence

Tourmaline

Published locality records document this gemstone within the country.

Production not assessed

Open the individual locality record for the dated production evidence and scope.

Evidence[2]
Documented occurrence

Aquamarine

Published locality records document this gemstone within the country.

Production not assessed

Open the individual locality record for the dated production evidence and scope.

Evidence[1]

Within this country

Published places

Evidence ledger

Sources & verification

Sources are deduplicated across the geographic record. Current-production claims receive explicit review dates; a map point never substitutes for geological or production evidence.

  1. [1]
    Aquamarine Quality Factors.

    Gemological Institute of America

    View authoritative source
  2. [2]
    Yusuke Katsurada, Ziyin Sun, Christopher M. Breeding, and Barbara L. Dutrow. Geographic Origin Determination of Paraíba Tourmaline.

    Gems & Gemology · 2019

    View authoritative source