black diamond
n.— «The competition has got tougher, but with this emerging market—the “black diamonds” as they’re called in the trade—people are buying homes, moving into homes, and upgrading. I think that market is in its infancy—it’s going to continue to grow.» —“Foschini earnings up 15%” by Lindsay Williams, Dennis Polak BusinessDay (Rosebank, South Africa) May 31, 2007. (source: Double-Tongued Dictionary)
Further reading
Twice a day the River Thames recedes, revealing a muddy shoreline. Hobbyists known as mudlarks stroll the surface searching for objects that have found their way into the river over the centuries, everything from ancient Roman jewelry to modern...
In 1971, when a new public library opened in Troy, Michigan, famous authors and artists were invited to write letters to the city’s youngest readers, extolling the many benefits of libraries. One of the loveliest was from E.B. White, author of...