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| Gems, crystals & minerals : A comprehensive illustrated guide to the history, lore, and properties of these natural formations | |
| F 15 Sof : Materialer - Ædelsten | |
| Engelsk | |
| 1990 | |
| 9780684818405 | |
| Sofianides, Anna S. | E. Harlow, George | |
| gemstones | crystals | minerals | overview | history | |