This story centers on a rare mineral encased in a diamond, a substance that could never survive on the planet's surface without its protective casing. In the 1980s, miners in Botswana's Orapa mine ...

Amid a plummeting stock market, self-driving cars running amok, and Mark Zuckerberg buying a house in Northwest, another sign of end times has arrived in Washington, DC: A diamond, the color of blood.

In fact, when it comes to toughness, nephrite jade is the toughest known natural mineral, tougher even than ... not as hard as some other minerals like diamond, nephrite is made from an interwoven ...