Country origin record
Sri Lanka
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.
Within this country
Published places
Sri Lanka Sapphire and Spinel Gravels
Long-documented alluvial gem fields with sapphire and spinel occurrences.
Sapphire, SpinelOpen recordEvidence 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]Aaron C. Palke, Sudarat Saeseaw, Nathan D. Renfro, Ziyin Sun, and Shane F. McClure. Geographic Origin Determination of Blue Sapphire.
Gems & Gemology · 2019
View authoritative source - [2]Nathan Renfro, John I. Koivula, Shane F. McClure, Kevin Schumacher, and James E. Shigley. Micro-Features of Spinel.
Gems & Gemology · 2021
View authoritative source