[ad. L. astroītes (Pliny), f. Gr. ἀστρο- star: see -ITE.] lit. A star-stone.
1. A gem known to the ancients, apparently the same as the ASTRION.
1601. Holland, Pliny, XXXVII. ix. (R.). As touching astroites, manie make great account of it.
1617. Minsheu, Astroite, a precious stone.
1675. Ogilby, Brit., 12. Star-like Stones called Astroyts, formerly of great esteem.
1750. Leonardus Mirr. Stones, 68. Astroites, Astrion, Asterias, or Asterites, is a white Stone approaching to Christal.
† 2. Any star-shaped mineral or fossil, e.g., the joints of pentacrinites. Obs.
1610. Holland, Camdens Brit., I. 536. Stones called Astroites, which resemble little starres joyned with one another.
1724. De Foe, etc., Tour Gt. Brit. (ed. 4), II. 326 (D.). Certain stones about the breadth of a silver peny and thickness of an half-crown, called astroites or star-stones, being fine pointed like a star and flat.
1728. Lewis, in Phil. Trans., XXXV. 491. Stones resembling Shells of the Escallop and Cockle kind with some Astroites.
3. Zool. A species of madrepore.
1708. in Phil. Trans., XXVI. 77. The Astroite, an Irregular Coralline-stone, naturally Engravn with Asterisks.
1794. Sullivan, View Nat., II. 175. Those of the coral class as madrepores, millepores, astroites.
1848. Dana, Zooph., vii. § 112. 110. The Porites graduate into the Astræporæ, and thence to the Astroites.