- an agate:
- Shevo, the agate, a semi-pellucid compound gem, formed of different simple minerals, as chalcedony, cornelian, jasper. horn-stone, quartz, amethyst, opal, etc.; joined irregularly or in layers. It is of a white, reddish, yellowish, or greenish ground; and so variously figured in its substance as to represent plants, trees, animals, and other objects.
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