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Characterisation and Genesis of Sapphires from the Yenya-U Area, Thabeikkyin Township, Mandalay Region, Myanmar

Phyu, Khin Mar; Zaw, Khin; Mernagh, Terrence; Aung, Thu Zar


The Yenya-U area in the Mandalay region of central Myanmar hosts two primary sapphire deposits, at Kyauk-tagar and Kyar-gaung. The sapphires form disseminated crystals within syenite pegmatite and nepheline syenite, respectively. Kyar-gaung is a source of relatively large crystals (up to 12 g) that are translucent to opaque, while Kyauk-tagar produces fine-quality vivid-blue sapphires in smaller sizes (up to 0.4 g). Alluvial deposits in the region yield high-quality sapphires of various colours...[Show more]

CollectionsANU Research Publications
Date published: 2021
Type: Journal article
Source: The Journal of Gemmology
DOI: 10.15506/JoG.2021.37.8.802


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