Four Treasures Reference Database
Record No. 16847
Burman rubies
Journal Article
Anonymous (1904) Burman rubies. The Mineral Collector, Vol. 11, No. 2, April, pp. 29–31.
RWHL*
gems, corundum, Burma.12, Mogok
Interesting short article about the mining, trading and grading of rubies in Mogok quoting the Mineral Resources of the United States.