HONG KONG — China said on Tuesday it would begin banning the export of some rare minerals to the United States, in an ...

Minerals and gems are classified by their physical properties, including hardness, luster, color, density, and magnetism. They're also identified by the ways in which they break, or the type of ...

There's a mineral so rare that only one specimen of it has ever been found in the entire world. It's called kyawthuite ( ...

China has abundant mineral resources. A total of 171 kinds of minerals have so far been discovered, of which 158 have proven reserves. These include 10 kinds of energy mineral resources such as ...