In 2004, a “ruby-glass composite”–basically a mixture of ruby and leaded glass–hit the jewelry market. At the time, a jewelry industry watchdog group “concluded that the stones could not be sold as rubies or precious gems under Federal Trade Commission guidelines, since they lacked the durability and value of bona fide rubies.” But Macy’s has been selling them as good old-fashioned rubies, and its salespeople have been neglecting to tell shoppers the truth at the moment they purchase the pieces, writes David V. Johnson of the SF Public Press. [More]