All that can be recognized from the biblical records, however, is the period of internal prosperity which Israel and Judah enjoyed under Jeroboam and Uzziah (qq.v.) respectively.
In 493 the imminent prospect of a Persian invasion brought into power men like Themistocles and Miltiades (qq.v.), to whose firmness and insight the Athenians largely owed their triumph in the great campaign of 490 against Persia.
Calcium silicate is also present in the minerals: olivine, pyroxenes, amphiboles, epidote, felspars, zeolites, scapolites (qq.v.).