It’s rarer and pricier than the other jade gemstone variety, with one 175-tonne lump found in 2016 being valued at $170 million. Nephrite is the second, and it’s more common and more widely ...

Now, excavations at the site have revealed ancient structures — and a “unique” carved stone. “The majority of the approximately 30 excavated or partially investigated earl ...

Every sale is a gamble. Chunks of ­jadeite—as opposed to the more common nephrite, which is considered an inferior jade—resemble mud-­colored eggs. Buyers try their best to divine what’s ...