Four Treasures Reference Database
Record No. 4959
Natural boehmite single crystals from Ceylon
Journal Article
Sahama, T.G., Lehtinen, M. and Rehtijärvi, P. (1973) Natural boehmite single crystals from Ceylon. Contributions to Mineralogy and Petrology, Vol. 39, pp. 171–174.
RWHL
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corundum, inclusions.5, Sri Lanka.12, gems