Hexaplex trunculus degrades, resulting in blue only. Nonetheless, archeologists have confirmed Hexaplex trunculus as the species used to create the purple-blue dye; large numbers of shells were recovered from inside ancient live-storage chambers that were used for harvesting. Apparently, 10- to 12,000 murex yielded only one gram of dye. Because of this, the dye was highly prized. Also known as "Royal Purple", it was prohibitively expensive and was only used by the highest ranking aristocracy. A similar dye, "Tyrian purple", which is purple-red in color, was made from a related species of marine snail, "Murex brandaris". This dye (alternatively known as "imperial
Eva Emery Dye by a woman in the discovery of this great section of the country is but the beginning of what is due... Following the ceremony, Dye formally presented the statue to the soon-to-open Lewis and Clark Centennial Exposition, where it was seen by an estimated three million visitors. It currently resides in Portland's Washington Park at . Eva Emery Dye Eva Emery Dye (1855 – February 25, 1947) was an American writer, historian, and prominent member of the Women's Suffrage movement. As the author of several historical novels, fictional yet thoroughly researched, she is credited with "romanticizing the historic West, turning