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Description of the Corundum Stone, and Its Varieties, Commonly Known by the Names of Oriental Ruby, Sapphire, with Observations on Some other Mineral Substances.
de Bournon, C.Volume:
1
Journal:
Proceedings of the Royal Society of London
DOI:
10.1098/rspl.1800.0051
Date:
January, 1800
File:
PDF, 217 KB
1800