The San Francisco-born Super Duper Burgers will open its 20th Bay Area restaurant on Tuesday, March 31, in San Ramon, with free burgers for the first 50 customers in line. The doors will open at 10:30 ...

Rio Tinto said it has dug the last diamond at its Diavik mine in Canada’s Northwest Territories, marking the end of its decades-old diamonds business as the giant miner sharpens its focus on ...

Rio Tinto Group has dug its last diamond and will close its final mine for the precious gemstone, marking the end of a business that lasted more than half a century. The world’s second-biggest miner ...

Researchers made small, pure samples of the elusive mineral lonsdaleite – also known as hexagonal diamond — and tested its material properties to show it's harder than diamond. When you purchase ...

After decades of chasing after a rare hexagonal diamond, a Chinese team says their iteration of the elusive material is the most important yet. Reading time 3 minutes In 1962, researchers hypothesized ...

To misquote a famous song, "Diamonds are industry's best friend." Cubic diamond is the hardest mineral on Earth and is used in everything from precision cutting tools to high-performance ...

Grim market conditions for mined diamonds delivered a third successive write down of more than $2 billion in the value of De Beers, the long-term diamond industry leader. Big London-based mining ...

If you’re hankering for a Super Duper burger, fries and shake, and straddling the divide between its Mill Valley and Novato outposts, there’s now a closer solution. The Bay Area-born chain added a ...

Cindy Ware of Chester County realized a couple of months ago that the diamond from her ring, passed down through her late husband's family, was gone. "I still don't believe it. It's in my purse now ...

SAN FRANCISCO (KRON) — San Francisco-based hamburger chain Super Duper Burgers is set to open its third restaurant in Marin County this week. The new Corte Madera location will celebrate its grand ...

De Beers reportedly cut rough diamond prices in January, a rare retreat by the industry’s once-dominant broker as slumping demand, lab-grown stones and trade turmoil batter the global diamond market.

In case you've faced some hurdles solving the clue, Super duper, we've got the answer for you. Crossword puzzles offer a fantastic opportunity to engage your mind, enjoy leisure time, and test your ...