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Arkite (ärˈkīt), in the Bible, the Canaanite tribe centered around Arka or Arca, a town near the E Mediterranean Sea NE of Tripoli. Arka, called Arca Caesarea and Caesarea Libani by the Romans, was the birthplace of Alexander Severus; it was vainly besieged by the Crusaders in 1099.
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A feldspathoid-rich rock consisting largely of pseudoleucite and nepheline, subordinate melanite and pyroxene, and accessory orthoclase, apatite, and sphene.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.