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The World of Opals Allan W. Eckert
The World of Opals
Allan W. Eckert
This book examines the history of opals dating back to ancient times. It describes where opals are located throughout the world and how they are mined and details the techniques for cutting, polishing, and working with this difficult gemstone.
464 pages
| Medios de comunicación | Libros Hardcover Book (Libro con lomo y cubierta duros) |
| Publicado | 18 de septiembre de 1997 |
| ISBN13 | 9780471133971 |
| Editores | John Wiley and Sons Ltd |
| Páginas | 464 |
| Dimensiones | 157 × 242 × 31 mm · 822 g |