Four Treasures Reference Database
Record No. 915
New facts about Siam rubies
Journal Article
Halford-Watkins, J.F. (1934) New facts about Siam rubies. The Gemmologist, Vol. 4, No. 41, December, pp. 147–149.
RWHL
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corundum, ruby, Thailand.12, Cambodia.12, Siam, inclusions.5, gems