[Short Reviews]

Gems and Gem Materials

By Prof. Edward Henry Kraus Prof. Chester Baker Slawson. Third edition. Pp. xiii + 287 + 4 plates. (Now York and London: McGraw-Hill Book Co., Inc., 1939.) 21s.


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A., B. [Short Reviews]. Nature 144, 372 (1939). https://doi.org/10.1038/144372a0

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