| Author: | Mastin, John, 1865- |
| Subject: | QE, Precious stones |
| Format: | Text |
| Date issued: | 2007 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Chemistry, Properties and Tests of Precious Stones [electronic resource] / John Mastin |