Beneath the dry hills of southern Xinjiang, geologists have identified a new source of intensely dark black jade called nephrite. The Margou deposit sits along a jade belt about 800 miles (1300 kilometers) long, and its black nephrite blocks look…
Beneath the dry hills of southern Xinjiang, geologists have identified a new source of intensely dark black jade called nephrite. The Margou deposit sits along a jade belt about 800 miles (1300 kilometers) long, and its black nephrite blocks look…