Emerald says: "§ 23.23(c) It is unfair or deceptive to use the word "laboratory-grown", "laboratory-created", "[manufacturer name]-created", or "synthetic" with the name of any natural stone to describe any industry product unless such industry product has essentially the same optical, physical, and chemical properties as the stone named." Emerald is regarded as the traditional birthstone for May as well as the traditional gemstone for the astrological signs of Cancer. One of the quainter anecdotes about emeralds was told by the 16th-century historian Brantôme, who referred to the many impressive emeralds the Spanish under Cortez had brought back to Europe from Latin
Emerald Waterways Emerald Waterways Emerald Waterways is a deluxe river cruising company, currently operating seven fully owned river cruising ships in Europe, referred to as Star-Ships. A diverse selection of itineraries sailing the Rhine, Main, Danube, Rhône, Douro and Mekong rivers, have been created to provide culturally rich journeys on-board their contemporary Star-Ships designed to dock centrally in the heart of Europe’s most iconic cities. With a strong focus on the history, culture, tradition and nature of the regions they visit, Emerald Waterways offer daily included excursions, as well as a programme of special EmeraldPLUS experiences, handpicked by expert journey planners, to