Gemstone the stone such as color zoning (the uneven distribution of coloring within a gem) and asteria (star effects). The Greeks, for example, greatly valued asteria gemstones, which were regarded as powerful love charms, and Helen of Troy was known to have worn star-corundum. Aside from the diamond, the ruby, sapphire, emerald, pearl (not, strictly speaking, a gemstone), and opal have also been considered to be precious. Up to the discoveries of bulk amethyst in Brazil in the 19th century, amethyst was considered a "precious stone" as well, going back to ancient Greece. Even in the last century certain stones such
Robert S. Kerr (bishop) Robert S. Kerr (bishop) Robert Shaw Kerr (16 August 1917 - 18 November 1988) was seventh bishop of the Episcopal Diocese of Vermont, serving from 1974 to 1986. Kerr studied at Trinity College in Connecticut. Later he trained at the General Theological Seminary. Upon graduation, he was ordained deacon on February 28, 1943 by Bishop James De Wolf Perry of Rhode Island in Trinity church, Newport, Rhode Island. A year later he was ordained priest. Kerr served for some time as assistant at New York's cathedral of St John the Divine. He also served for some time as rector of