NEW YORK — The luster of Queen Victoria’s brooch, Marilyn Monroe’s necklace and Elizabeth Taylor’s pear-shaped gem won’t soon fade. But researchers at the American Museum of Natural History hope their ...

Despatches from Nevada related the discovery, in mountainy canyons near Winnemucca, of extensive deposits of opals, those iridescent gems, glowing blue, green, yellow, pink and deep red, for which the ...