| E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898. |
| | | Chalcedony [kalcedony]. | | |
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A precious stone, consisting of half-transparent quartz: so called from Chalcedon, in Asia Minor, where it was first found. Its chief varieties are agate, carnelian, cats-eye, chrysoprase, flint, hornstone, onyx, plasma, and sard. | 1 |
Albertus Magnus (book i. chap. 2) says: It dispels illusions and all vain imaginations. If hung about the neck as a charm, it is a defence against enemies, and keeps the body healthful and vigorous. | 2 |
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