Chrome Ochre. Oxide of chromium of a fine yellowish green.

Chrome Red. A chromate of lead; a durable pigment used in oil painting. (See Red Lead.)

Chrome Yellow. A chromate of lead, which makes a bad pigment for oil painting. It is very poisonous and not durable; when mixed with white lead it turns to a dirty grey. As a water-colour pigment it is less objectionable.

Chromite. Chromate of iron; a mineral consisting of protoxide of iron and oxide of chromium, used in the preparation of various pigments.

Chronogram (χρόνος, time). An inscription which includes in it the date of an event.

Chryselephantine Statues of ivory and gold. The most celebrated were that of Minerva, by Pheidias, which stood in the Acropolis at Athens, and was 40 English feet in height; and that of Zeus, 45 feet high, likewise by Pheidias, in the temple of Olympia. A reproduction of this statue was shown in the Paris Exhibition of 1855.

Chrysendeta, R. (χρυσένδετα, i. e. set or inlaid with gold). A very costly description of plate-service employed by wealthy Romans. Of its precise character nothing unfortunately is known, but to judge from the epigrams of certain authors, it must have been chased and embossed.

Chrysoberyl (βήρυλλος, a beryl). A gem of a yellowish green colour; a species of corundum (q.v.).

Chryso-clavus (Lat. golden nail-head). All rich purple silks, woven or embroidered with the clavus in gold, were so named. They were used for altar frontals, and the clavi were sometimes made so large that a subject was embroidered upon them; they were then called sigillata or sealed. (See Clavus.)

Chrysocolla or Gold Green (χρυσόκολλος, inlaid or soldered with gold). (1) Native verdigris. Its principal use was for the preparation of a solder for gold. (See Santerna.) (2) The Greek term for Green Verditer and Armenian Green (Latin, Armenium); a pigment obtained from malachite and green carbonate of copper. It was also called pea green or grass-green.