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 ...

Primary minerals form at elevated temperatures from cooling magma during the original solidification of rock or during metamorphism, and they are usually derived from igneous and metamorphic rocks ...

The finest example of Rhodochrosite in the world is on display in Denver, Colorado, at the Denver Museum of Nature and ...

The 66th Mississippi Annual Gem and Mineral Show allowed visitors to ... Rogers said that this event is showcasing types of ...

China is retaliating against U.S. tariffs by restricting exports of rare earth minerals. Minerals expert Gracelin Baskaran ...

These findings are important because active volcanoes on Earth often create conditions that support life—by releasing heat ...