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
Gemstone File Gunderloy wrote that the original Gemstone File was simply a list of contributors to Committee to Re-elect the President (CREEP), while the subsequent versions gradually linked various figures of the Watergate and Kennedy eras. The Gemstone File proposes that Aristotle Onassis, Joseph P. Kennedy, and other prominent figures were involved in various schemes to forward a vast global conspiracy, involving the Mafia and corrupt politicians, brutal oil and drug cartels, rogue military operations, and more. It also posits that early in 1957, Aristotle Onassis had Howard Hughes kidnapped from his Beverly Hills Hotel bungalow; that Hughes suffered a massive brain