Gemstone district

Kashmir Sapphire Region

Historic high-altitude source region associated with notable blue sapphire.

Evidence statusPublished & sourcedLast reviewed August 17, 2026
OverviewGeologyGem relationshipsSources

Evidence-backed overview

The place, clearly defined

Historic high-altitude source region associated with notable blue sapphire.

Geological context

How the occurrence is understood

Historic high-altitude source region associated with notable blue sapphire.

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.

Historic production

Sapphire

Authoritative evidence documents production in a past period; present activity is not implied.

Historic production documented

Sources document production in a past period; current production is not asserted.

Evidence[1]

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]
    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