Jahns, Richard H. (1955) The Purchase of a Gem Stone--or What to do Until the Appraiser Arrives. Engineering and Science, 18 (5). pp. 14-21. ISSN 0013-7812 https://resolver.caltech.edu/CaltechES:18.5.jahns
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Abstract
What makes a gem valuable? How can you tell the real thing from a piece of glass? An expert answers some basic questions about gems.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Gems |
| Record Number: | CaltechES:18.5.jahns |
| Persistent URL: | https://resolver.caltech.edu/CaltechES:18.5.jahns |
| Parent URL: | http://resolver.caltech.edu/CaltechES:18.5.0 |
| Usage Policy: | You are granted permission for individual, educational, research and non-commercial reproduction, distribution, display and performance of this work in any format. |
| Item Category: | All Records > Feature Articles |
| ID Code: | 1512 |
| Deposited By: | INVALID USER |
| Deposited On: | 26 Dec 2012 05:14 |
| Last Modified: | 04 Oct 2019 15:10 |
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