Country origin record
Sri Lanka
Country record supporting sourced Batch 1 gemstone locations.
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.
Alexandrite
Published locality records document this gemstone within the country.
Open the individual locality record for the dated production evidence and scope.
Open the individual locality record for the dated production evidence and scope.
Open the individual locality record for the dated production evidence and scope.
Within this country
Published places
Sri Lanka Alexandrite Deposits
Alluvial Chrysoberyl deposits are documented sources of Alexandrite.
AlexandriteOpen recordSri 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, Ziyin Sun, Nathan D. Renfro, and Shane F. McClure. Geographic Origin Determination of Alexandrite.
Gems & Gemology · 2019
View authoritative source - [2]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 - [3]Nathan Renfro, John I. Koivula, Shane F. McClure, Kevin Schumacher, and James E. Shigley. Micro-Features of Spinel.
Gems & Gemology · 2021
View authoritative source