Four Treasures Reference Database
Record No. 2364
Ruby and sapphire from Laos
Journal Article
Hughes, R.W. (1996) Ruby and sapphire from Laos. JewelSiam, Vol. 1, No. 1, Feb–March, pp. 36–37.
ISBN/ISSN: 8581843 | RWHL
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corundum, Laos.12, gems
History and description of Laos’ sapphire mines at Ban Huay Xai.