noun, plural chal·ced·o·nies.
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Origin of chalcedony
OTHER WORDS FROM chalcedonychal·ce·don·ic [kal-si-don-ik], /ˌkæl sɪˈdɒn ɪk/, chal·ced·o·nous, adjective
Words nearby chalcedony
How to use chalcedony in a sentence
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.The Indian in his Wigwam|Henry R. Schoolcraft
A chalcedony made the wearer lucky at law, increased the vigour of one's body, and prevented illusions of the devil.The Mysteries of All Nations|James Grant