Use "calcedony" in a sentence
1. Chalcedony, or calcedony, is a fine-grained variety of the silica mineral quartz
2. Chalcedony,also spelled calcedony, is a very fine-grained (cryptocrystalline) variety of the silica mineral quartz
1. Chalcedony, or calcedony, is a fine-grained variety of the silica mineral quartz
2. Chalcedony,also spelled calcedony, is a very fine-grained (cryptocrystalline) variety of the silica mineral quartz