"Chalcedonies" is a word in ENGLISH

An opaque or milk-white chalcedony, a variety of quartz; also, a similar variety of opal.

A foul vein, like chalcedony, in some precious stones.

A variety of chalcedony, of a clear, deep red, flesh red, or reddish white color. It is moderately hard, capable …

A variety of quartz or chalcedony, exhibiting opalescent reflections from within, like the eye of a cat. The name is …

Of or pertaining to chalcedony.

A cryptocrystalline, translucent variety of quartz, having usually a whitish color, and a luster nearly like wax.

An apple-green variety of chalcedony, colored by nickel. It has a dull flinty luster, and is sometimes used in jewelry.

A variety of chalcedony containing water.

Chalcedony in parallel layers of different shades of color. It is used for making cameos, the figure being cut in …

A variety of quartz, of a color between grass green and leek green, which is found associated with common chalcedony. …

A variety of carnelian, of a rich reddish yellow or brownish red color. See the Note under Chalcedony.

A variety of onyx consisting of sard and white chalcedony in alternate layers.