AskDefine | Define Sard

Dictionary Definition

sard n : a deep orange-red variety of chalcedony [syn: sardine, sardius]

User Contributed Dictionary

English

Noun

  1. A variety of carnelian, of a rich reddish yellow or brownish red color.
  2. Any of various brownish red earth pigments formerly used in cosmetics and painting; has more yellow, hardly any blue (see puce), is lighter than russet and darker than carnelian.

See also

Kurdish

Adjective

sard
  1. (Sorani) cold

Extensive Definition

Sard is a reddish-brown chalcedony, SiO2, much used by the ancients as a gemstone. Pliny the Elder states that it was named from Sardis, in Lydia, where it was first discovered; but the name probably came with the stone from Persia (Pers. sered, yellowish-red). Sard was used for Assyrian cylinder-seals, Egyptian and Phoenician scarabs, and early Greek and Etruscan gems. The Hebrew odem (translated sardius), the first stone in the High Priest's breastplate, was a red stone, probably sard but perhaps carnelian or red jasper. Some kinds of sard closely resemble carnelian, but are usually rather harder and tougher, with a duller and more hackly fracture. Mineralogically the two stones pass into each other, and indeed they have often been regarded as identical, both being chalcedonic silica colored with iron oxide. The range of colors in sard is very great, some stones being orange-red, or hyacinthine, and others even golden, while some present so dark a brown color as to appear almost black by reflected light. The hyacinthine sard, resembling certain garnets, was the most valued variety among the ancients for cameos and intaglios. Dark-brown sard is sometimes called sardoine, or sardine, while certain sards of yellowish color were at one time known to collectors of engraved gems as beryl.
Sard in Dutch: Sardonyx
Sard in Polish: Sard
Sard in Portuguese: Sárdio
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