Chalcedonies include many types of cryptocrystalline quartz gems ... are made of clusters or mixtures of minerals, and minerals and rocks affect landform development and form natural resources ...

A compound is a substance that contains two or more elements close elementA pure substance that is made from only one type of ... of sedimentary rock formation, some of the minerals in the ...

Turns out (much to the chagrin of geologists in the housing market), those countertops are likely neither granite nor all the same type of rock. That's because rocks are made of different minerals and ...

In a new paper, Jordan Jensen and Alexis Ault introduce a new forensic tool designed to enhance our understanding of how unconformities form. Iron oxide minerals are found in rocks around the world.

China is retaliating against U.S. tariffs by restricting exports of rare earth minerals. Minerals expert Gracelin Baskaran explains why these little-known-elements are so vital to defense and tech.

The film also covers the formation of different types of rocks—igneous, sedimentary, and metamorphic—and highlights the economic value of minerals, mining practices, and the importance of ...