Practical gemmology : a study of the identification of gem-stones, pearls, and ornamental minerals /
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| Format: | Book |
| Language: | English |
| Published: |
London :
N.A.G. Press, ltd.,
[1940?]
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| Subjects: |
| Item Description: | "The lessons' comprising this book were first published serially in The gemmologist. Slightly extended, corrected ad improved ... they are offered ... to complement the information ... contained in The gemmologist's pocket compendium."-Pref. |
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| Physical Description: | 4 pages 1., 180 pages : illustrations, 4 plates on 2 1., diagrams |