Four Treasures Reference Database
Record No. 607
Mineralogical Survey: Report of the Director of the Mineralogical Survey for 1904,” Ceylon Administrative Reports for the Year 1904
Journal Article
Coomaraswamy, A.K. (1905) Mineralogical Survey: Report of the Director of the Mineralogical Survey for 1904,” Ceylon Administrative Reports for the Year 1904. Ceylon Administrative Reports for the Year 1904, Vol. 2, pp. E1–21, illustrations, map, 3 plates.
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corundum, ruby, sapphire, Sri Lanka.12, gems