chalcedony 的定义
plural chal·ced·o·nies.
- a microcrystalline, translucent variety of quartz, often milky or grayish.
更多chalcedony例句
- Chalcedony, apparently from amygdaloid of the trap formation, was also found at Port Warrender.
- Quartz crystals, with chalcedony, from nodules in amygdaloid.
- Red, somewhat slaty jasper, mixed with quartz and chalcedony, and containing specular iron ore.
- Hard sandstone, trap or graacke, jasper and chalcedony, appear occasionally; some almost transparent.
- A chalcedony made the wearer lucky at law, increased the vigour of one's body, and prevented illusions of the devil.